---
title: "Cartier Tank Must SolarBeat™ Small (Reference WSTA0089). A 29.5mm stainless steel quartz wristwatch. 2024, Womens Watch from Sothebys"
description: "View Cartier Tank Must SolarBeat™ Small (Reference WSTA0089). A 29.5mm stainless steel quartz wristwatch. 2024, Womens Watch from Sothebys on Refermate."
canonical_url: "https://refermate.com/store/sothebys/product/cartier-tank-must-solarbeattm-small-reference-wsta0089-a-29-5mm-stainless-steel-quartz-wristwatch-2024-womens-watch-2513366"
md_url: "https://refermate.com/store/sothebys/product/cartier-tank-must-solarbeattm-small-reference-wsta0089-a-29-5mm-stainless-steel-quartz-wristwatch-2024-womens-watch-2513366"
---
# Cartier Tank Must SolarBeat™ Small (Reference WSTA0089). A 29.5mm stainless steel quartz wristwatch. 2024, Womens Watch

- URL: https://refermate.com/store/sothebys/product/cartier-tank-must-solarbeattm-small-reference-wsta0089-a-29-5mm-stainless-steel-quartz-wristwatch-2024-womens-watch-2513366
- Store: Sothebys
- Store products page: https://refermate.com/store/sothebys/products
- Brand: Cartier

## Description

Introduced in 2021, the Tank Must brings together Cartier’s heritage and modern engineering. This small model retains the unmistakable Tank design language, including roman numerals and blued‑steel hands, while introducing an innovative solar‑powered SolarBeat™ quartz movement. Light passes through the numerals on the dial to power the mechanism, which is designed to run for years before needing service. The result is a contemporary interpretation of an iconic watch, blending timeless aesthetics with long‑term practicality. Includes Cartier box, card, and additional leather strap.

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