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Since introducing Japan’s first diver’s watch in 1965, Seiko has built an unmatched heritage in professional dive watch design. The SJE097J1 was produced to mark a historic milestone: the 100th anniversary of Seiko-branded watches. Limited to just 1,000 numbered pieces worldwide, it draws simultaneously from two legends — the original 1965 62MAS that started it all, and the professional-grade Marinemaster of the 2000s that took Seiko’s dive watch standards to their highest point.

Reference SJE097J1 is a 39.5 mm stainless steel automatic diver’s watch, just 12.3 mm in thickness — the slimmest mechanical diver Seiko has ever produced, a remarkable achievement given the box-shaped sapphire crystal and the exhibition caseback it carries. The white “High Water” dial features a distinctive horizontal line pattern evoking moving water, with thick LumiBrite-coated baton hour markers, matching lume hands and the “Marinemaster” designation printed just below the Seiko logo at twelve. At its heart beats the Seiko Calibre 6L37, the first movement in Seiko’s new slim 6L series developed specifically for diver’s watches, with manual winding capability and a 45-hour power reserve. The box-shaped sapphire crystal carries anti-reflective coating on the inner surface — and the exhibition caseback, a historic first for a dedicated Seiko diver, shows the movement within alongside the individual serial number engraved on the caseback. The unidirectional rotating bezel carries a full LumiBrite diving scale. Water resistance is rated to 200 metres. The watch is fitted on a stainless steel bracelet with a three-fold clasp, push-button release and diver’s extension.

This Seiko Prospex Marinemaster 1965 High Water Limited Edition is in near mint condition and comes as a full set with factory warranty until 06-2027.

Founded in 1912 in Grenchen, Switzerland, Fortis has built a reputation for making rugged pilot’s watches that combine functionality, legibility, and reliability. The Flieger line reflects Fortis’s long association with aviation and pilot’s watches.

The Fortis Flieger Chronograph, reference 597.10.141, features a 40 mm stainless steel case with a black dial and luminous Arabic numerals and hands for excellent readability. Powered by the Swiss automatic Valjoux 7750 caliber movement, it delivers chronograph functions, day, date, central seconds, and has a 38-hour power reserve with a frequency of 28,800 vph.

A sapphire crystal ensures scratch resistance and clarity. Water resistance is 50 meters. The watch is fitted on a black leather strap. This Fortis Flieger Chronograph is in used condition and comes in our Q-Watches travel pouch. Just came back from a fresh service. 1 year warranty.

Founded in Paris in 1847, Cartier has shaped the course of luxury watchmaking for over 175 years — a maison equally at home in haute joaillerie and serious horology. The Calibre de Cartier, introduced in 2010, marked a significant moment for the brand: the first mass-production Cartier powered by an in-house manufacture movement. The W7100039 is the steel and rose gold expression of that collection — combining a polished stainless steel case with an 18k rose gold bezel for a two-tone character that sits naturally between sport and dress.

Reference W7100039 is a 42 mm stainless steel automatic watch, 10 mm in thickness, with a polished case and a fixed 18k rose gold bezel. The silvered opaline dial carries black Roman numerals, luminescent rhodium-plated sword-shaped hands and a minute track around the outer rim, with a small seconds subdial at six o'clock and a date window at three o'clock. The hidden Cartier signature sits at the ten o'clock Roman numeral. At its heart beats the Cartier Manufacture Calibre 1904-PS MC, an in-house automatic movement running at 28,800 vph with 27 jewels and a 48-hour power reserve, visible through the exhibition sapphire caseback. The scratch-resistant sapphire crystal sits above. The crown is set with a faceted blue synthetic spinel in Cartier's signature style. Water resistance is rated to 30 metres. The watch is presented on a leather strap with a stainless steel deployant clasp.

This Cartier Calibre de Cartier is in near mint condition and comes as a full set.

Founded in Saint-Imier in 1832, Longines is one of the oldest Swiss watch brands in continuous production and has built a deep archive of iconic designs across more than 190 years. The Legend Diver, introduced in 2007, is a faithful reissue of the brand's original Reference 7042 dive watch from 1960. 

Reference L3.674.4.50.0 is a 42 mm stainless steel automatic diver's watch, 13.5 mm in thickness, with a distinctive twin-crown construction: one crown for time setting and one dedicated to operating the inner rotating bezel — a period-correct feature that sets the Legend Diver apart from virtually every other tool watch of its era and price point. The black lacquered dial carries luminescent index and Arabic numeral hour markers alongside matching silver-tone hands, with a date window at three o'clock. At its heart beats the Longines Calibre L633. The scratch-resistant sapphire crystal and screw-down twin crowns deliver 300 metres of water resistance. The bidirectional rotating inner bezel is operated via the dedicated secondary crown at four o'clock. The solid caseback carries the embossed Longines diver emblem. The watch is comes on the original stainless steel mesh bracelet.

This Longines Legend Diver is in very good condition and comes as a full set.

Founded in Paris in 1775, Breguet is arguably the single most influential name in the history of watchmaking — the inventor of the tourbillon, the self-winding mechanism, the overcoil hairspring and the shock absorber, among dozens of other contributions that underpin modern horology. The Classique collection is where that heritage is expressed most purely: no complications beyond what is necessary, every detail considered, every surface finished by hand. The 5907 is one of the most restrained and accomplished dress watches the manufacture produces.

Reference 5907BA is a 34.5 mm 18k yellow gold manual-winding dress watch, just 7.5 mm in thickness, with a coin-edged case and a fixed yellow gold bezel. The silvered guilloché dial is engine-turned at Breguet's own workshop — each dial unique, its concentric and radial patterns catching light differently at every angle — with black Roman numerals, a small seconds subdial at six o'clock and blued Breguet-style hands with off-centre moon tips. The sapphire crystal sits above an exhibition caseback revealing the Breguet Calibre 511 DR, a hand-wound movement with a 96-hour power reserve indicator visible on the movement itself. Water resistance is rated to 30 metres. The watch is presented on a leather strap with an 18k yellow gold tang buckle.

This Breguet Classique is in near mint condition and comes with a Q-Watches wooden box & GoldCard and 1 year warranty. 

Founded in La Chaux-de-Fonds in 1848, Omega has built one of the most storied reputations in Swiss watchmaking. The Seamaster 300, introduced in 1957 alongside the Speedmaster and Railmaster as one of Omega's iconic sport watch trio, became one of the most respected professional diving instruments of its era. The "WatchCo" is a chapter in that story unlike any other: WatchCo, a former Omega-authorised Australian service centre, acquired genuine new-old-stock Omega parts — cases, bezels, dials and hands — directly from the manufacture and assembled them into complete watches around vintage Omega movements. The result is a watch with the full aesthetic and material authenticity of the original 1960s Seamaster 300, assembled with brand-new genuine Omega components, and a cult following that has only grown stronger as supply has dwindled.

Reference 166.0324 is a 41 mm stainless steel automatic diver's watch with the distinctive twisted-lug case architecture of the original Seamaster 300. The black dial carries oversized rhomboid luminescent hour indices and matching sword-shaped hands — a handset shared in spirit with the military Submariner references of the same era — with a date window at three o'clock. At its heart beats the Omega Calibre 565, a high-grade vintage automatic movement with quickset date function, running accurately and reliably. The domed acrylic crystal gives the watch the correct period-authentic depth and curvature. The bidirectional rotating dive bezel carries a luminescent insert. The watch is fitted on a stainless steel bracelet.

This Omega Seamaster 300 WatchCo presents in very good condition and comes....

Founded in 1906 in Hamburg, Germany, Montblanc is best known worldwide for its exceptional writing instruments, but the brand has built a genuinely credible watchmaking division since the 1990s, with serious in-house movement development based in Le Locle and Villeret, Switzerland. The Timewalker collection represents Montblanc's sportier, more technical side — purposeful, well-built and offering excellent value within the luxury chronograph segment.

The Montblanc Timewalker Automatic Chronograph, reference 7069, is a well-executed 43 mm stainless steel chronograph with a nicely structured white dial with a soft silvery sheen, featuring Arabic numeral hour markers and luminous hands — a clean and highly legible layout with genuine wrist presence, and a refreshing alternative to the more commonly seen black dial. A date display sits within the dial composition, alongside the chronograph subdials for tracking elapsed time. The fixed smooth stainless steel bezel keeps the overall look sleek and understated. At its heart beats the Montblanc Calibre 4810, an automatic chronograph movement with 25 jewels, running at 28,800 vph with a power reserve of approximately 46 hours. A scratch-resistant sapphire crystal protects the dial, while the sapphire exhibition caseback reveals the movement. Water resistance is rated at 100 metres, backed by a screw-down crown. The watch is fitted on a stainless steel bracelet with a folding clasp.

This Timewalker Automatic Chronograph is in near mint condition and comes with our QW wooden box and warranty certificate. The watch underwent a full service in January 2025 and includes a 1-year warranty.

TAG Heuer was founded in Saint-Imier, Switzerland in 1860 and built its reputation on precision timekeeping for sport and professional use. The Link collection, introduced in 1999, brought a new dimension to the brand's catalogue: a sports watch with genuine diver credentials, built around an S-shaped integrated bracelet that became one of the most recognisable designs TAG Heuer has ever produced. The CT2110 is the automatic chronograph flagship of the original Link generation — combining 200-metre water resistance with full chronograph functionality.

Reference CT2110 is a 41.5 mm stainless steel automatic chronograph, 13.5 mm in thickness, with a polished and brushed case and a screw-down crown. The blue sunray dial carries applied baton hour markers and luminescent hands, with three subdials in the classic Valjoux layout: a 30-minute counter at twelve, a 12-hour counter at six and a running seconds register at nine. A date window sits at three o'clock. At its heart beats the TAG Heuer Calibre 16, based on the ETA Valjoux 7750. The scratch-resistant sapphire crystal sits above. The unidirectional rotating stainless steel bezel carries a 60-minute diving scale. Water resistance is rated to 200 metres. The watch is fitted on the signature S-shaped stainless steel Link bracelet with a hidden folding deployant clasp.

This TAG Heuer Link Professional 200M Chronograph is in very good condition and comes as a full set and a movement service. 

Founded in 1884 by Léon Breitling in Saint-Imier, Switzerland, Breitling has always built watches with a clear purpose and an uncompromising character. The Colt collection was originally developed for the armed forces in the 1980s, built around straightforward legibility, rugged reliability and serious water resistance — values that remain as relevant today as they were then.

The Breitling Colt Automatic 44, reference A17388101C1A1, is a well-executed 44 mm stainless steel sport watch with a striking Mariner Blue dial featuring applied luminescent index hour markers, luminescent hands, a red-tipped seconds hand and a date display at 3 o'clock — a boldly confident colour choice that gives this Colt a strong and distinctive character on the wrist. The unidirectional rotating bezel with four rider tabs is both practical and immediately recognisable as a Breitling design detail. At its heart beats the COSC-certified Breitling Calibre 17, based on the ETA 2824-2, running at 28,800 vph with a power reserve of approximately 38 hours — a solid and dependable movement. A double-sided anti-reflective sapphire crystal protects the dial. Water resistance is rated at 200 metres, backed by a screw-down crown. The watch is fitted on the Breitling Professional III stainless steel bracelet with a folding safety clasp.

This Colt Automatic 44 is from 2020, is in near mint condition and comes as a full set. There is a link of the steel bracelet missing. Will fit a wrist up to 18,5cm.

Grand Seiko was established in 1960 with a single ambition: to produce the finest watch Seiko's craftsmen could create. The Sport Collection brings Grand Seiko's legendary finishing standards — Zaratsu-polished surfaces, precisely applied indices — to a professional diving instrument. The SBGA229 is one of the most compelling sports watches the brand has ever produced: a watch that could sit alongside any Swiss diver at twice the price and not feel outclassed.

Reference SBGA229 is a 44.2 mm stainless steel automatic diver's watch, 14 mm in thickness, with a fully Zaratsu-polished and faceted case that plays light across its curves in a way no conventionally brushed diver's case can match. The black dial carries arrow-shaped hands and swaged LumiBrite indices for strong underwater legibility, with a power reserve indicator and a date window. At its heart beats the Grand Seiko Calibre 9R65, a Spring Drive movement combining automatic winding with an electromagnetic braking system that delivers ±1 second per day accuracy and a 72-hour power reserve. The unidirectional rotating bezel carries a titanium carbide ceramic insert — the same class of material used to protect spacecraft during atmospheric re-entry. The screw-down crown and caseback are engineered so that dirt, sand and seawater residue can be easily rinsed away. Water resistance is rated to 200 metres. The watch is fitted on a stainless steel bracelet with a three-fold clasp.

This Grand Seiko Sport Collection Spring Drive Diver is in very good condition and comes as a full set.

Tudor was founded in Geneva in 1926 as a sister brand to Rolex, built to offer Swiss-made professional tool watches at a more accessible price point. The Pelagos 39, introduced in 2022 and winner of the Grand Prix d'Horlogerie de Genève Sports Watch Prize, answers a question the original 42 mm Pelagos raised for many wearers: what if the most capable diver in Tudor's catalogue came in a size that works equally well above and below the water? At 39 mm in Grade 2 titanium, the answer is one of the most versatile tool watches the brand has ever produced.

Reference M25407N-0001 is a 39 mm Grade 2 titanium automatic diver's watch, 11.8 mm in thickness, with a uniform satin-brushed case and a screw-down titanium crown bearing the Tudor shield in relief. The black sunray satin dial carries monobloc ceramic composite hour markers and matching hands — a construction that combines outstanding luminescence with a depth of texture not found on conventional applied markers. At its heart beats the Tudor Manufacture Calibre MT5400, COSC-certified, with a 70-hour power reserve. The domed sapphire crystal sits above a solid caseback. The unidirectional rotating bezel is in Grade 2 titanium with a matching satin-finish ceramic insert. Water resistance is rated to 200 metres. The watch is fitted on a Grade 2 titanium bracelet with Tudor's T-fit micro-adjustable folding clasp, safety catch and diver's extension, and includes an additional black rubber strap with pin buckle.

This Tudor Pelagos 39 is in very good condition and comes as a full set with factory warranty until 2028. 

Founded in London in 1905 and headquartered in Geneva since 1919, Rolex is the world's largest luxury watch manufacturer and the standard against which all others are measured. The Explorer II, introduced in 1971 for speleologists and polar explorers navigating environments where day and night become indistinguishable, has always been the more technical and adventurous sibling of the original Explorer. The 226570, introduced in 2021, brings a refined case profile, enhanced Chromalight luminescence and the brand's latest Calibre 3285 to the collection — and the white "Polar" dial remains its most iconic and collectible execution.

Reference 226570 is a 42 mm Oystersteel automatic watch, 12 mm in thickness, with a brushed and polished Oyster case and a Triplock screw-down crown protected by integrated crown guards. The white lacquered "Polar" dial carries applied black-rimmed hour markers and blackened hands filled with blue-emitting Chromalight luminescence, with a date window at three o'clock beneath a Cyclops lens. The central orange 24-hour hand completes a single revolution per day, pointing to the fixed engraved and black-filled 24-hour bezel scale for instant AM/PM or second time zone reading. At its heart beats the Rolex Calibre 3285, certified as a Superlative Chronometer to ±2 seconds per day after casing, with a blue Parachrom hairspring, Chronergy escapement and a 70-hour power reserve. The scratch-resistant sapphire crystal carries anti-reflective coating. The watch is fitted on a three-link Oyster bracelet in Oystersteel with an Oysterlock safety clasp and Easylink 5 mm comfort extension.

This Rolex Explorer II Polar is in very good condition and comes as a full set and factory warranty until April 2027.