Pictures and description courtesy of Ian: This is an Omega Chronograph Automatic S. steel Case & Bracelet for Men --- It has original signed Omega Seamaster dial, bracelet, crown, case and movement. --- It's in good conditions and running well. ---- Its case and bracelet are in S. Steel. ----- Its back int. no. is 176.010. --- Its caliber is 1040 ---- It's a 22 jewels watch. --- Its diameter is 43mm. widht without crown. Its lenght is 8.2 inches long end to end. ---- Its movement No is 3560 4639. ----- Its dial is blue with silver hour markers and white hands. ---- It's screw on back.