Cartier Ballon Bleu Moonphase 37mm WSBB0020 (2019)

Floating like a balloon and as blue as the cabochon safely nestled in its side, the Ballon Bleu watch by Cartier adds a dash of elegance to male and female wrists alike.

Ballon Bleu de Cartier watch, 37 mm. Mechanical movement with automatic winding, moon phases. Case in steel, fluted crown set with a synthetic cabochon-shaped spinel. Silvered guilloché dial. Moon phases at 9 o’clock. Blued-steel sword-shaped hands. Sapphire crystal. Blue alligator-skin strap, interchangeable steel folding buckle. Case thickness: 13 mm. Water-resistant to 3 bar (approx. 30 meters).

This particular timepiece has been serviced by Cartier in February 2025 and includes its full set along with service papers from the brand.

Specifications:

Model: Ballon Bleu,
Reference: WSBB0020
Dial: Silver Roman with moonphase at 9 o’clock
Crystal: Sapphire
Case: Stainless steel, rounded case, 37mm
Strap: Black leather with stainless steel fold clasp
Movement: Automatic
Functions: Hours, Moonphase
Water Resistance: 3 ATM