The Speedmaster Broad Arrow ref. 3881.30.37 runs on the automatic caliber 3603, featuring a GMT function and chronograph. It presents a silver dial and leather strap.
Movement Type
Automatic
Caliber
36-03Jewels
41
Reserve
100
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
21.00 mm
Material
Stainless Steel
Glass
Sapphire
Diameter
44.25 mm
Water Resistance
100.00 m
Dial Color
White
