The Omega Speedmaster 3815.71.53 has a 'reduced' case containing the self-winding caliber 3220. It pairs a mother-of-pearl dial with blue numerals and a matching glossy calf strap.
Movement Type
Automatic Chronograph
Caliber
3220Jewels
47
Reserve
42
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
18.00 mm
Material
Stainless Steel
Glass
Sapphire
Diameter
39.00 mm
Water Resistance
100.00 m
Dial Color
White
Material
MOP
Buckle
Blue
