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Cartier

Cartier Ballon Bleu de Cartier 40mm WSBB0040

The Cartier Ballon Bleu de Cartier 40mm (reference WSBB0040) is a 40 mm stainless steel watch. It runs on the automatic caliber 1847 MC with a 40-hour power reserve and is water resistant to 30 m.

Specifications

Case

Reference
WSBB0040
Collection
Ballon Bleu de Cartier
Case size
40 mm
Thickness
12.4 mm
Case material
Stainless steel
Case shape
Round
Crystal
Sapphire
Water resistance
30 m

Movement

Movement
Automatic
Caliber
1847 MC
Power reserve
40 hours
Frequency
28,800 vph
Functions
Date

Production

Production
Current

How it compares within the Ballon Bleu de Cartier family

Side by side with other references in the same collection, from the catalog.

ReferenceSizeMaterialDialCaliberYears
WSBB0040 (This watch)40 mmStainless steel—1847 MC—
W2BB002242 mmTwo-tone steel/18k yellow goldSilver——
W2BB003336 mmTwo-tone steel/18k rose gold—1847 MC—
W2BB003942 mmTwo-tone steel/18k gold—1847 MC—
WSBB002842 mmStainless steel—1847 MC—
WSBB004433 mmStainless steel———
WSBB004836 mmStainless steelSilver1847 MC—
WSBB004942 mmStainless steelSilver1847 MC—
WSBB007140 mmStainless steelDark green sunray1847 MC—

About the Ballon Bleu de Cartier family

The Ballon Bleu de Cartier was introduced in 2007. Its round, rounded-back case has the winding crown tucked inside a curved guard that extends from the case, topped with a blue cabochon, which gives the watch its name.

It was made in a wide range of sizes, from small quartz models to 42 mm automatics and chronographs, in steel, two-tone, rose gold and white gold, many with guilloché dials and Roman numerals. Automatic versions use calibers such as the 049 and, later, the in-house 1847 MC. Dealers identify a Ballon Bleu by its size, movement and metal, which the reference records, and check the bracelet and the condition of the cabochon.

Quick answers

What size is the Cartier Ballon Bleu de Cartier 40mm WSBB0040?
The Cartier Ballon Bleu de Cartier 40mm WSBB0040 has a 40 mm case, 12.4 mm thick.
What movement does the Cartier Ballon Bleu de Cartier 40mm WSBB0040 use?
It uses the automatic caliber 1847 MC, with a 40-hour power reserve.
How water resistant is the Cartier Ballon Bleu de Cartier 40mm WSBB0040?
It is water resistant to 30 metres.
Is the Cartier Ballon Bleu de Cartier 40mm WSBB0040 still in production?
Yes, it is a current reference.
What is the Cartier Ballon Bleu de Cartier 40mm WSBB0040 made of?
The case is stainless steel.

Catalog facts checked September 2026.