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The Encyclopedia of Horology

Wristwatch · Dual time wristwatch

Cartier Tank à Vis Dual Time

Partially verified

This Cartier Tank à Vis 'Dual Time' is a rectangular 18K white gold wristwatch manufactured circa 2000 as part of the 'Collection Privée, Tank à Vis' series. Measuring 28 x 32 mm with a thickness of 8 mm, the two-body case features a combination of polished and brushed surfaces, curved lugs, and a flat bezel secured by four screws. The watch is powered by the manual-wind Caliber 9901MC movement, which features rhodium plating, special Cartier decoration, 18 jewels, and a straight-line lever escapement. , an inner minute division, and a second independently adjustable time zone. The watch is equipped with a sapphire-set winding crown, sapphire crystals, and an 18K white gold deployant clasp. The auction description notes the piece is water-resistant and includes the original fitted box and certificate.

Front view of the Cartier Tank à Vis, showing the guilloché dial with two time zone displays, blued steel hands, and 18K white gold case.
Front view of the Cartier Tank à Vis, showing the guilloché dial with two time zone displays, blued steel hands, and 18K white gold case. — Antiquorum. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
catalog.antiquorum.swiss
Category
Wristwatch · Dual time wristwatch
Maker / attribution
Cartier
Reference
W1534351
Catalogue / lot identifier
656
Source-reported date
circa 2000
Source-reported place
Switzerland
Source-reported serial
318MG

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Dial

The timepiece features a two-body rectangular case executed in 18K white gold. The design incorporates polished and brushed surfaces, complemented by curved lugs. A notable design element is the flat bezel, which is secured to the case via four visible screws at the corners. A transparent case back with eight screws allows for a view of the movement.

The dial is rendered in a guilloché silver finish and features painted black numerals. It includes an inner minute division and is designed to display two time zones, with the second time zone being independently adjustable. The time is displayed via blued steel épée hands, and the watch features a cabochon sapphire-set winding crown.

Evidence for this section
  • “C. Two-body, solid, polished and brushed, curved lugs, flat bezel with four screws”
  • “D. Guilloché silver with painted black Arabic numerals”
  • “second time zone independently adjustable”
  • “cabochon sapphire-set winding crown”

Movement

The watch is powered by the Caliber 9901MC movement. This manual-wind mechanism is rhodium-plated and features specialized Cartier decoration. It contains 18 jewels and utilizes a straight-line lever escapement.

Operational precision is managed by a monometallic balance and a self-compensating Breguet balance spring. The movement includes a shock absorber system and an index regulator for adjustments.

Evidence for this section
  • “M. Cal. 9901MC, rhodium plated, with special Cartier decoration, 18 jewels”
  • “straight line lever escapement, monometallic balance, self-compensating Breguet balance spring”

Condition and Attribution

The auction description reports the watch as being in 'Very good' overall condition based on their internal grading system. The case, dial, and movement are specifically designated as 'As new'.

The piece is identified as part of the 'Collection Privée, Tank à Vis' series. The auction house confirms that the dial, case, and movement are signed by the manufacturer.

Evidence for this section
  • “Grading System Grade: AA Very good”
  • “Case: 1 As new Movement: 1 As new Dial: 1-01 As new”
  • “Dial, case and movement signed.”

Open research questions

  • What is the full extent of the 'special Cartier decoration' on the Caliber 9901MC?
  • Does the 'secret Cartier signature' appear on the numeral VII or X?

Source evidence

Recorded claims and source quotations for Cartier Tank à Vis Dual Time
FieldSource-reported valueSource quotation
MakerCartier“Cartier, Paris”
ReferenceW1534351“Ref.W1534351”
Movement Number318“movement No. 318”
Case Number318MG“No. 318MG”
Movement Caliber9901MC“Cal. 9901MC”
Case Material18K white gold“18K white gold”
Dimensions28 x 32 mm“Dim. 28 x 32 mm”

Visible details

  • Rectangular two-body case construction
  • Four visible screws on the bezel corners
  • Cabochon sapphire inset into the winding crown
  • Blued steel épée hands

Research qualifications

  • Water-resistance is reported by the auction house but not tested
  • Precise production location is not explicitly stated beyond Cartier, Paris attribution

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Tank à Vis, 'Dual Time' Cartier, Paris, 'Collection Privèe, Tank à Vis', movement No. 318, No. 318MG, Ref.W1534351.Made circa 2000. Very fine, rectangular, water-resistant, two time zonewith two dials, 18K white gold wristwatch with 18K white gold Cartier deployant clasp. Accompanied by fitted box and certificate.

Reviewed 2026-10-26 · Record be1149b3bb

Terms in this record

Glossary explanations for terms named in this object’s record.

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