As one of watchmaking's timeless classics, the Speedmaster now offers a 40mm case and an automatic chronograph with full calendar (caliber 3606 based on Valjoux 7751). Reference 323.21.40.44.01.001 combines a stainless steel case with a red gold bezel, pushers, and crown.
Shape
Round
Lug Distance
19.00 mm
Glass
Sapphire
Diameter
40.00 mm
Water Resistance
100.00 m
Dial Color
Black
Material
Black
Buckle
Bracelet
