This Perpetual Calendar timepiece from the Omega’s popular Constellation collection is equipped with a thermo-compensated quartz movement. Named Omega 1680, this perpetual calendar movement is based on the ETA 252.511 quartz caliber.
This gent’s watch model features a 35.5mm diameter case in stainless steel or bi-metal (18ct. yellow gold and stainless steel). Water resistant to 50 meters, the Omega Constellation Perpetual Calendar watch comes mounted with a sapphire crystal glass.
Model: Omega Constellation Perpetual Calendar
Caliber: Omega 1680
Thermo-compensated quartz perpetual calendar movement with rhodium-plated finish
End of battery life indicator
Power reserve: 60 months
Domed, scratch-resistant sapphire crystal with anti-reflective treatment inside
Water resistance: 50 meters / 167 feet
Ref. 1552.40.00: Stainless steel case and bracelet, grey dial
Ref. 1552.30.00: Stainless steel case and bracelet, silver dial
Ref. 1252.10.00: Bimetal (18ct. yellow gold and stainless steel) case and bracelet, champagne dial
Ref. 1252.30.00: Bimetal (18ct. yellow gold and stainless steel) case and bracelet, silver dial