One of watchmaking's enduring classics, the Speedmaster features a 40mm case and full-calendar automatic chronograph movement, the Valjoux 7751-based caliber 3606. Ref. 323.53.40.44.02.001 uses a yellow gold case, alligator strap, and silver dial.
Movement Type
Automatic Chronograph
Caliber
3606Jewels
25
Reserve
42
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
19.00 mm
Material
Yellow Gold
Glass
Sapphire
Diameter
40.00 mm
Water Resistance
100.00 m
Dial Color
Silver
