Seamaster Bond 2531.80 — 2531.80, Caliber 1120

Omega 1120

Omega's reworked, chronometerChronometerA watch or movement certified for timekeeping precision under a defined testing standard. The applicable certification depends on its maker and period; it is not the same as a chronograph.-certified ETA 2892-A2: jewelsJewelA natural or synthetic stone used as a bearing or endstone for a movement pivot. raised from 21 to 23 and power reserve from 42 to 44 hours. The movementMovementThe working mechanism inside a watch or clock. of the Seamaster Professional 300M 2531.80 and 2254.50 and of the automaticA mechanical movement wound by a rotor as the watch moves on the wrist. Constellation '95.