With a red gold case and black dial, the Omega Speedmaster Day-Date 3623.50.01 uses self-winding caliber 1151. Besides time and stopwatch, it shows day, date, month, and 24-hour indications.
Movement Type
Automatic Chronograph
Caliber
1151Jewels
25
Reserve
42
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
18.00 mm
Material
Red Gold
Glass
Sapphire
Diameter
39.00 mm
Water Resistance
30.00 m
Dial Color
Black
