Cartier · Ballon Blue de Cartier
Strap for Ballon Blue de Cartier 36 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 diameter37 mm
ReferenceW6900356
FamilyBallon Blue de Cartier
MovementCartier caliber 049 No date hours, minutes, seconds
Year2007
CaseYellow Gold
Straps for the Ballon Blue de Cartier W6900356
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 W6900356, seen from the bench
The Cartier Ballon Blue de Cartier W6900356 is a 36.60mm yellow gold automatic watch with an 18mm lug width. Launched in 2007, it features a distinctive domed case profile and a blue sapphire cabochon crown. The Cartier caliber 049 manual-winding movement powers the dial, which displays hours, minutes, and seconds with railway-style hands on a guilloché radial pattern. Water resistant to 30 meters, it combines the house's design philosophy with integrated bracelet construction.
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