Seamaster Big Blue 176.004 — 176.004

Omega 1040

Omega’s first automaticAutomaticA mechanical movement wound by a rotor as the watch moves on the wrist. chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display., developed with Lemania and launched in the Speedmaster Mark III. Central-rotorRotorAn oscillating weight that uses wrist movement to wind an automatic watch’s mainspring. winding, central chronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. minutes, and 24-hour indicator; about 44 hours of power reserve. The 1041 is its version.