Omega 561 movement – specifications and photo

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Omega 561 is Swiss automatic movement from 1950’s to 1960’s

Automatic movement with 24 jewels

f = 19800 A/h

Power reserve: 50 hours

Diameter: 27.9 mm

561 caliber omega

More information about this movement:

The caliber 561 does not feature a quickset date function, mirroring the state of technology at the time. Omega’s main competitor, the Rolex calibre 1570, also did not have quickset date. The date can be set either by winding the watch forward or backwards to nine to ten o’clock and then forwards to twelve – a feature of non-quickset date models designed to facilitate more rapid calendar changing.

Caliber 561 was released in late 1959 and the first model to feature the new calendar Constellation was the Grand Luxe model OT 16963. The easily observed signature parts of the movement are the train bridge that bears the calibre number and the rotor bridge. You ma also notice the stamping of OXG just below the rotor bridge on the rim of the movement.

Other links:

Omega 561 watch parts

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