Omega Speedmaster Date ref. 3613.30.02 has a yellow gold case and silver dial, mounted on an alligator strap.
Movement Type
Automatic Chronograph
Caliber
1152Jewels
25
Reserve
46
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
18.00 mm
Material
Yellow Gold
Glass
Sapphire
Diameter
39.00 mm
Water Resistance
50.00 m
Dial Color
Silver
