A classic Speedmaster, this 40mm model houses the automatic, full-calendar chronograph movement based on the Valjoux 7751 (caliber 3606). Ref. 3220.50.00 has a black dial and matching tachymeter ring, with a red gold case and bracelet.
Movement Type
Automatic Chronograph
Caliber
3606Jewels
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
Material
Bracelet