Omega Seamaster Aqua-Terra Railway 2504.75, mid-size 36.2mm stainless steel case, fitted with famous co-axial escapement certified chronometer grade Omega Calibre 2500 27jewel movement, with scuttle mother-of-pearl dial and diamond set markers, observation back.
Factory Model Number. 2504.75.
27 jewels. Swiss made Omega caliber 2500 with Daniel's co-axial escapement.
Date calendar, window display.
Combination satin/polished finish. Solid AISI 316L Stainless steel.
Fixed position (stationary). Highly polished finish.
Factory Logo engraved/embossed. Sport style, screw-down (threaded).
Very slight dome profile. Sapphire.
Genuine Mother-of-Pearl. Genuine Diamond markers.
Steel color. Super-LumiNova radiation-free luminous filled.
Screw-down style ( threaded ). Sapphire observation crystal.
Satin finish. Solid AISI 316L stainless steel. Fits 7 3/4" wrist.
Deployant style, with spring release. Factory Logo engraved/embossed.