Cartier · Ballon Blue de Cartier
Strap for Ballon Blue de Cartier 42 Automatic Yellow Gold / Silver
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
18mm
Lug width18 mm
Case diameter42 mm
ReferenceW6900551
FamilyBallon Blue de Cartier
MovementCartier caliber 049 hours, minutes, seconds | date
Year2007
CaseYellow Gold
Straps for the Ballon Blue de Cartier W6900551
Selected for the 18 mm lug width · workshop selection
Millenium Cognac Alligator Strap€195
Millennium Green Alligator Strap — Minimal Stitching€149
Matte Blue Alligator Strap€195
Grey Hammered Leather Strap with Ecru Stitching€98
Vintage Olive Green Calf Leather Watch Strap€80
The Ballon Blue de Cartier W6900551, seen from the bench
The Cartier Ballon Blue de Cartier W6900551 is a 42.10 mm yellow gold automatic watch featuring the Cartier caliber 049 movement with hours, minutes, seconds and date functions. Introduced in 2007, this model represents Cartier's contemporary reinterpretation of watchmaking through its distinctive curved case construction and protected crown. The 18 mm lug width accommodates compatible aftermarket straps.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only