Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Silver dial with luminous silver-toned hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Automatic movement. Omega caliber 8500 engine. Scratch resistant sapphire crystal. Screw down crown. Skeleton case back. Case diameter: 38.5 mm. Round case shape. Deployment clasp. Water resistant at 150 meters / 500 feet. Functions: date, hour, minute, second. Additional Info: helium escapement valve located on the edge of the case at the 10 o'clock position. Luxury watch style. Watch label: Swiss Made. Item Variations: 231 10 39 21 02 002, 231-10-39-21-02-002, 231/10/39/21/02/002, 23110392102002. Omega Seamaster Aqua Terra Silver Dial Stainless Steel Mens Watch 23110392102002.