The Speedmaster is a timeless icon, currently offered with a 40mm case and a date-equipped automatic chronograph movement (caliber 1164, based on the Valjoux 7750). Ref. 323.53.40.40.01.001 has a red gold case, black dial, and matching alligator strap.
Movement Type
Automatic Chronograph
Caliber
1164Jewels
25
Reserve
42
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
19.00 mm
Material
Red Gold
Glass
Sapphire
Diameter
40.00 mm
Water Resistance
100.00 m
Dial Color
Black
