---
title: "Cartier Tank Must SolarBeat 33.7x25.5mm Black Leather WSTA0090 Circa 2023"
type: "product"
brand: "Cartier"
model: "TANK MUST SOLEBEAT"
reference: "WSTA0090"
price: 2795
currency: "GBP"
condition: "Pre-owned"
year: ~
category: "Watches"
subcategory: "Cartier"
availability: "In Stock"
url: "https://thediamondbox.co.uk/cartier-tank-must-solarbeat-black-leather-wsta0090"
image: "https://thediamondbox.co.uk/uploads/original_image/f5dd71295fb90eda6d944d0b552a9ce1.jpg"
updated: "2026-10-24"
---

# Cartier Tank Must SolarBeat 33.7x25.5mm Black Leather WSTA0090 Circa 2023

## Price

**£2,795** (Finance available from £131.48/month)

## Description

This circa 2023 Cartier Tank Must SolarBeat features a refined rectangular stainless steel case measuring 33.7mm x 25.5mm, paired with a classic black leather strap. Its silvered dial, Roman numeral hour markers, blued steel sword-shaped hands and signature beaded crown capture the timeless elegance of Cartier's iconic Tank design.Inspired by the original Cartier Tank introduced in 1917, the Tank Must combines traditional design with modern watchmaking technology. This model features Cartier's innovative SolarBeat photovoltaic movement, which converts light into energy through discreet openings beneath the dial's Roman numerals, offering the convenience of a quartz watch without regular battery replacements.This watch has been checked against technical records to guarantee authenticity and clean history.Comes with original box.Ref: WSTA0090

## Specifications

| Specification | Value |
|---------------|-------|
| Brand | Cartier |
| Reference Number | WSTA0090 |
| Year | Circa 2023 |
| Condition | Pre-owned |
| Date on card | NA |
| Location | NA |
| Serial | 4563181183EY |
| Model | TANK MUST SOLEBEAT |
| Certified | Yes |
| Papers | No |
| Box | Authentic Box |
| Gender | Ladies |
| TDB Limited Lifetime Warranty | Yes |
| Case Size | 33.7 mm x 25.5 mm |
| Strap design | Leather |
| Material | Stainless Steel |
| Bezel material | Stainless Steel |
| Dial Colour | White |
| Movement | Quartz |
| Bracelet Size (cm) | 16 |
| Keywords | Cartier Tank Must SolarBeat, Cartier WSTA0090, Cartier Tank black leather, Cartier Tank Must large, Cartier SolarBeat watch, Cartier Tank 2023 |

## About The Diamond Box

The Diamond Box is North London's distinguished destination for luxury watches and gold jewellery since 1997. Visit us at 114 Ballards Lane, N3 2DN, London or call 020 8838 3655.


[View this product on our website](https://thediamondbox.co.uk/cartier-tank-must-solarbeat-black-leather-wsta0090)