1960 Omega Constellation Calendar Chronometer


Exceptional officially certified chronograph Omega Constellation Calendar in 34,5 mm mixed satin and glossy finished stainless steel case, perfect professionally refinished silver dial powered by automatic caliber 504.

The watch went through complete service in July 2018.

Manufacturer: Omega SA, Switzerland
Model: Constellation Calendar
Reference: 2943 7 SC
Type: Automatic Chronometer
Year of production: 1960
Case type: 3-body, with snap-on case back, mixed satin and high polished finishing.
Case material: Stainless steel
Case measurement: 34,5 mm (without crown) / 43,5 mm (lug-to-lug) / 18 mm (between lugs)
Case serial number: n\a
Case back: Snap-on, signed "Acier Inoxidable", "Fab Suisse  Swiss Made Patent + 315164" with Omega stamp  and reference number on the inner side of the caseback. Omega Constelation logo on the outer side of the case back
Crown/pushers: Original steel fluted crown with Omega logo
Crystal: Acrylic
Movement type: Automatic Certified Chronometer with sweep seconds hand
Movement model: Cal.504 signed ‘Omega Swiss’.24 jewels, 19800 A/h and 46 hours of power-reserve. Shock protection.
Movement serial number: 17071927
Dial: Professionally reprinted silver dial, applied silver markers, "Omega" logo and printed “Automatic Chronometer Officially Certified” at 12 o’clock. Printed ‘Constellation Calendar’ and ‘Swiss made’ at 6 o’clock.
Hands: Original silver beveled hour and minute hands, silver sweep seconds hand.
Case condition: Perfect condition. Professionally polished, showing no signs of use or wear. 
Movement condition: Perfect, serviced, only original parts. Adjusted and keeps good time. Serviced in July 2018.
Dial/hands condition: Perfect, restored without any signs of use
Overall condition: Mint
Delivery set: The watch comes with generic leather strap and generic steel buckle. It comes also with our company’s warranty certificate, general terms and conditions of sale, our company’s box. 
Warranty: 1 year technical warranty


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