The Cartier Ballon Bleu, which debuted in 2007, features a smooth, pebble-shaped case and a protected crown that creates a notch in the dial. Following the launch of the 40mm Extra Flat model at SIHH 2015, reference W6920083 presents a 40mm pink gold case, a silver dial, and the hand-wound caliber 430 MC.
Shape
Round
Material
Pink Gold
Glass
Sapphire
Thickness
6.90 mm
Diameter
40.00 mm
Water Resistance
30.00 m
Dial Color
Silver