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Cartier

Tank Must SolarBeat

Ref. WSTA0059

The Cartier Tank Must SolarBeat (Ref. WSTA0059) is a modern reinterpretation of the iconic Tank Must collection, featuring a photovoltaic SolarBeat movement that powers the watch using light. Notable for its rectangular stainless steel case and eco-friendly strap made from plant-based materials, this model blends Cartier's heritage design with innovative, sustainable technology.

braceletStrap (plant-based material, likely apple-based, non-animal)
movementPhotovoltaic (light-powered) quartz
dial colorBlack (strap variant for WSTA0059)
case diameter33.7 x 25.5 mm
case materialStainless steel
water resistance3 bar (approx. 30 meters/100 feet)
year2022

A registered Cartier WSTA0059 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.

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The permanent registry for watchmaking. Provenance you can verify, trust you can transfer.

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RGATT is a provenance registry, not a place to buy or sell watches

RGATT operates a provenance and traceability registry for fine watches. It does not list watches for sale, is never a party to a sale agreed between members, and never holds, escrows or moves funds relating to such a sale. Registration establishes the authenticity of a piece as a best-efforts obligation and is not a warranty of its condition. A clean result in the stolen registry means no theft report matches, not that a watch is guaranteed free of any claim.

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