Skip to content

Cartier Must de Cartier 21 Ref. 1340

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

2025

Maker / issuer

Cartier

This Cartier Must de Cartier 21 wristwatch, reference 1340, is designed for ladies and features a two-tone construction in steel and gold plating. The watch incorporates a silver dial accented by cobalt blue sword-type hands.

Its bezel displays incised Roman numerals, and the case measures 28 mm in diameter. A synthetic cabochon sapphire is set into the crown at the 3 o'clock position, and the watch is protected by a sapphire crystal. The timepiece is fitted with an original metal link bracelet that includes an integrated concealed folding clasp. Powered by a quartz movement, the watch is reported to be in running condition by the auction description.

The case back is engraved with the model name, reference number, serial number, and water resistance specifications.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Technical characteristics

Type
Quartz wristwatch
Crown
Synthetic cabochon sapphire
Maker
Cartier
Material
Steel and gold plated
Movement
Quartz
Reference
1340
Case Diameter
28 mm
Serial Number
PL3294XX
Maker / attribution
Cartier

Design

Case and Dial
The watch case measures 28 mm in diameter and is constructed from steel and gold-plated elements. A prominent feature of the Must de Cartier 21 design is the fixed bezel, which is incised with Roman numerals. The dial is silver-toned and features a printed minute track along its periphery. The dial is legible via sword-type hands finished in cobalt blue. The watch is fitted with a sapphire crystal, and the side of the case includes a crown set with a synthetic cabochon sapphire, which is a signature element of the brand's aesthetic. The case back carries identifying inscriptions including the reference and serial numbers.
Visible features
• Crown set with a synthetic cabochon sapphire • Integrated link bracelet with a concealed folding clasp • Incised Roman numeral hour markers on the bezel • Silver dial with printed minute track
Bracelet and Mechanism
This timepiece is secured to the wrist with an integrated link bracelet featuring alternating metal finishes. The design incorporates a concealed folding clasp, which maintains the continuity of the bracelet links when closed. The source confirms that both the bracelet and the clasp are original Cartier components. Internally, the watch is driven by a quartz movement. The auction description notes that the watch is in running condition, meaning it is currently in working order.
Inscriptions and Identification
The watch is catalogued as reference 1340 with the serial number PL3294XX. These identifiers, along with the model name and water-resistance status, are marked on the case back of the watch. The overall design belongs to the Must de Cartier 21 series. The auction house classifies this as a lady's model. The provided measurements confirm a case diameter of 28 mm and an approximate bracelet length of 17 cm. The watch was documented for a sale occurring in December 2025 at the Setdart Auction House in Barcelona, Spain.

Identification

Reference
1340
Serial number
PL3294XX
Source note
Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.

Research required

  • Research required: The exact production date is not provided in the source
  • Research required: The source describes the watch as steel and gold plated, but the extent of plating coverage on the bracelet versus steel is not fully detailed
Can you source one of these? Submit a reference