Skip to content
Cartier Tank Must de Cartier

Cartier Tank Must de Cartier

SolarSteel

Ref. WSTA0138

Collection: TankCase size: 25.5 × 33.7mm

The Cartier Tank Must, reference WSTA0138, has a rectangular steel case measuring 25.5 x 33.7 mm. Case thickness is 6.6 mm. Cartier lists the watch as the large model of the Tank Must. The Tank Must is a solar watch with a SolarBeat photovoltaic movement. The silvered dial carries blued-steel sword-shaped hands and shows hours and minutes. A beaded crown is set with a synthetic cabochon-shaped spinel. Cartier rates the case to 30 metres, or 3 bar. A black calfskin strap is fitted to the watch and has a steel ardillon pin buckle.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 5 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Case Size

25.5 × 33.7mm

Thickness

6.6mm

Case Material

Steel

Water Resistance

30m

Case Shape

Rectangular

MOVEMENT

Movement Type

Solar

DIAL

Dial Color

Silver

BRACELET/STRAP

Bracelet/Strap

Calf Skin

Clasp Type

Buckle

Clasp Material

Steel

FEATURES & COMPLICATIONS

Solar watch

More from Cartier

Show all →

FOR WATCH DEALERS

Trading the Cartier Tank Must de Cartier?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.