Reference 231.13.39.21.01.001 of the Omega Seamaster Aqua Terra features a stainless steel case, a black dial, and a black alligator strap. It operates using the self-winding caliber 8500 movement.
Movement Type
Automatic
Caliber
8500Jewels
39
Reserve
60
Frequency
25200
Hands
Center Seconds
Shape
Round
Material
Stainless Steel
Glass
Sapphire
Diameter
38.50 mm
Water Resistance
150.00 m
Dial Color
Black
