27+ Omega Constellation Quartz Movement UK. Original omega constellation chronometer quartz movement for spare part only. When you pull the crown once, you can set the time.
1300 calibre beta 21 developed by the centre for electronic watch making at neuchâtel.
The omega calibre 1532 is found in the quartz version of the constellation model and other dress watches. These movements are highly prized for their craftsmanship, making those watches very collectible. Omega constellation quartz on chrono24.com. When you pull the crown once, you can set the time.