The Omega De Ville ref. 4531.50.00 has a stainless steel case and a black dial. Inside is ticking the self-winding caliber 2500.
Movement Type
Automatic
Caliber
2500Jewels
27
Reserve
48
Frequency
25200
Hands
Center Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Diameter
37.50 mm
Water Resistance
100.00 m
Dial Color
Black
Material
Bracelet