The Omega calibre 1532 is found in the quartz version of the Constellation model and other dress watches.
In Omega’s own words:
Quartz precision movement with rhodium-plated finish. End of battery life indicator.
ETA 255.111 Base
The previous version of the Omega caliber 1532 was caliber 1432 but both are based off the ETA 255.111 movement. Other brands also use this movement with their own caliber number: Certina 157/158; Longines 157.2; Concord 78; Movado 52. Replacement prices for the ETA 255.111 were found online in the range of $69.95 – $74.95.
Omega Caliber 1532 Video Manual:
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