The Omega Seamaster Aqua Terra Railmaster 2108.52.00 is a Chinese-market limited edition of 1895 pieces with an engraved case back. Reference 2608.52.31 is the same watch but on an alligator strap.
Movement Type
Automatic
Caliber
2403Jewels
27
Reserve
48
Frequency
25200
Hands
Center Seconds
Shape
Round
Lug Distance
20.00 mm
Material
Yellow Gold
Glass
Sapphire
Diameter
39.20 mm
Water Resistance
150.00 m
Dial Color
Black
Material
China Train