Released in 2010, the “Historique Ultra-fine 1955” debuted as the world’s thinnest mechanical hand-wound watch at 4.10 mm. It utilizes the 1.64 mm thick caliber 1003 movement, which was rebuilt in 18-carat gold for its 55th anniversary and carries the Hallmark of Geneva.
Shape
Round
Material
Pink Gold
Glass
Sapphire
Thickness
4.13 mm
Diameter
36.00 mm
Water Resistance
30.00 m
Dial Color
Silver