Omega Seamster Chronograph Blue Automatic Watch 2599.80.00 METAL: Stainless Steel. MEASUREMENTS: Case 42mm, bracelet will fit approx. 7.5" wrist. MOVEMENT: Automatic, working order. Ref. 2599.80.00. Watches are guaranteed to be in running order, if described as such, at the time of listing only. Watches have not been tested for features functionality, unless otherwise stated in description.