The Omega Speedmaster 3802.72.55 has a 'reduced' case housing the self-winding caliber 3220. It is fitted with a mother-of-pearl dial with Arabic 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