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Baume & Mercier Vintage Watch Tank 37059 — 18-Carat Gold (1970-80)

Only 1 available


Selling price€2 913,75

Payment by bank transfer: -3%

Shipping from Europe — taxes and customs duties are the buyer's responsibility outside the EU

Lifetime authenticity guarantee

Movement guaranteed for 1 year

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Photo taken on a 17.5 cm wrist


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Atelier Note

Five point eight millimetres of yellow gold — and the cabochon crown, the Buckle and the period box have made it through half a century together.

A yellow gold rectangle under six millimetres thick

This Baume & Mercier watch, reference 37059, produced at the turn of the 1970s and 1980s, is housed in a rectangular Tank-style case in 18-carat yellow gold, measuring 25.5mm in width and 5.8mm thick. On the white dial, black painted Roman numerals run around the entire perimeter, framed by a railway minute track; two black hands, the Baume & Mercier Genève signature beneath twelve o'clock, and the SWISS MADE mention at the bottom complete a display reduced to the essentials: hours, minutes.

The crown is set with a dark stone cabochon, in the tradition of shaped dress watches — a detail that pieces in this category often lose over the course of interventions, and which is original here, just like the Buckle pin buckle.

The movement is a Baume & Mercier BM777 calibre, a hand-wound mechanical movement, whose extra-thin construction allows for this 5.8mm profile, Crystal included. It is the classic exercise of the Geneva house, whose watchmaking roots go back to 1830: the precious shaped watch, without complication, designed to disappear beneath a cuff.

The piece is fitted with a black crocodile-pattern leather strap, and accompanied by its original box — an element rarely preserved with watches from this period.

Three points to note

01

5.8mm thick, Crystal included — an extra-thin profile in solid gold, the dress register of the 1970s in its purest form.

02

Original cabochon crown and Buckle — two elements these watches almost always lose, here preserved together.

03

Original box included — the period presentation box has stayed with the watch for half a century.

Why choose a vintage Baume & Mercier watch?

This pre-owned Baume & Mercier watch holds a precise place among men's and women's vintage watches: its 25.5mm format, its extra-thin profile and its Roman numerals make it a vintage Tank watch of strict register, worn equally well by both — close to the wrist, under a cuff as much as for everyday wear.

Like all our pre-owned luxury watches, this one has been opened and checked by our watchmakers: verification of the calibre and its consistency with the reference, serial number check, examination of the dial, hands and case. Each vintage gold watch that we offer comes with an Atelier Victor invoice serving as a certificate, a one-year warranty, and guaranteed lifetime authenticity.

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Technical specifications

  • Brand: Baume & Mercier
  • Model: Tank
  • Reference: 37059
  • Serial number: 4680••
  • Estimated year: 1970s-80s
  • Origin: Switzerland
  • Gender: Men's and women's watch (Unisex)
  • Movement: Mechanical hand-wound, Baume & Mercier BM777 caliber
  • Functions: Hours, minutes
  • Case: 18-carat yellow gold, rectangular shape
  • Case back: [to be completed]
  • Dimensions: 25.5mm (27.8mm with crown)
  • Lug to lug: 33mm
  • Thickness: 5.8mm, Crystal included
  • Lug width: 19mm
  • Crown: Dark stone cabochon, original
  • Dial: White, black painted Roman numerals, original
  • Hands: Black, original
  • Crystal: Mineral, condition 9/10
  • Strap: Black crocodile-style leather, non-original
  • Buckle: Pin buckle, original

Condition and warranty

  • General condition: Beautiful vintage condition. The white dial, its Roman numerals and the hands are original. The 18-carat yellow gold case shows light signs of wear scratches, visible in our photographs. The Crystal is in very good condition (9/10).
  • Water resistance: Not guaranteed (vintage watch)
  • Authenticity: Lifetime guarantee
  • Mechanics: Movement serviced in July 2025, guaranteed for 1 year
  • Included: Original box, Atelier Victor invoice, protective case
  • Not included: Original papers

Frequently asked questions

Why is this watch described as "Tank"?
The term refers to the rectangular shape popularized by Cartier in 1917, which has since entered the everyday language of collectors to describe this type type of dress case. This Baume & Mercier adopts its codes — rectangle, Roman numerals, cabochon crown — in the Geneva house's interpretation, with an extra-flat caliber.

Which original elements does this piece retain?
The crown set with its dark stone cabochon, the Buckle pin buckle and the period box have accompanied the watch since origin — three elements that pieces of this kind most often lose over the decades. The dial and hands are also original. Only the strap has been replaced, with black crocodile-style leather.

What is the BM777 caliber?
It is a hand-wound mechanical movement by Baume & Mercier, with an ultra-thin construction — it is what allows this piece to measure 5.8mm thick, Crystal included. It was serviced by our watchmakers in July 2025 and is guaranteed for one year.

How should an 18-carat gold case be cared for?
18-carat gold is a soft metal that scratches more easily than steel. A soft, dry cloth is sufficient for routine care. Polishing is possible with a watchmaker, but it removes material and gradually rounds the edges of the rectangular case — we recommend allowing the piece to develop its patina. As water resistance is not guaranteed, any contact with water should be avoided.

Is this piece suitable for a slim or larger wrist?
With a width of 25.5mm, a Lug-to-lug of 33mm and a thickness of 5.8mm, it is particularly well suited to wrists measuring 15 to 18cm and slips easily under any cuff. Its format places it firmly in the dress watch category, and it can be worn equally well by a man or a woman. The Lug width measures 19mm — a less common width than 18 or 20mm, but one for which straps remain easy to find.

A piece selected by Atelier Victor

Authenticated, inspected, and photographed by our team. As each sale is final, our team remains available 7 days a week on WhatsApp to answer your questions, share additional photos, or a video of the piece in hand — so that you can make your choice with complete peace of mind.

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