---
title: "Cartier Must 21 31mm Quartz Steel & 18ct Yellow Gold W10073R6 2003"
type: "product"
brand: "Cartier"
model: "21 Must De Cartier"
reference: "W10073R6"
price: 1645
currency: "GBP"
condition: "Pre-owned"
year: 2003
category: "Watches"
subcategory: "Cartier"
availability: "Contact Us"
url: "https://thediamondbox.co.uk/product/cartier-must-21-quartz-steel-gold-31mm-2007-rol6911-cartier"
image: "https://thediamondbox.co.uk/uploads/original_image/1f24fdede1be2f0283436e6e0b10e6bb.png"
updated: "2026-02-26"
---

# Cartier Must 21 31mm Quartz Steel & 18ct Yellow Gold W10073R6 2003

## Price

**£1,645** (Finance available from £77.38/month)

## Description

This 2009 Cartier Must 21 31mm features a silver dial with 18ct yellow gold roman numerals and a stainless steel bracelet and bezel.Originally introduced in the late 1970s, the Must de Cartier Tank line was created as a more accessible variation of the iconic Tank design. This model retains the essence of Cartier’s signature rectangular shape and minimalist elegance, making it a versatile piece for any occasion.This watch has been checked against technical records to guarantee authenticity and a clean history.Comes with original box and papers.Ref: W10073R6

## Specifications

| Specification | Value |
|---------------|-------|
| Brand | Cartier |
| Reference Number | W10073R6 |
| Year | 2003 |
| Condition | Pre-owned |
| Date on card | 2009 |
| Model | 21 Must De Cartier |
| Certified | Yes |
| Papers | Yes |
| Box | Authentic Box |
| Gender | Ladies |
| Case Size | 31mm |
| Serial | NX759586 |
| Dial Colour | Silver |
| Bracelet Size (cm) | 15 |
| Watchfinder condition rating | Very Good |
| Location | UK |
| TDB Limited Lifetime Warranty | Yes |
| Strap design | Stainless Steel |
| Material | Stainless Steel |
| Bezel material | Stainless Steel |
| Movement | Quartz |
| Keywords | Must De Cartier Tank for sale, Cartier silver watch 20mm, vintage Cartier Tank watch, Cartier 66001 leather strap, silver Cartier Tank watch, classic Cartier design, Cartier Must De Cartier f |

## 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.


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