Here is a rare and immaculate Omega Seamaster Automatic Calendar watch. This bumper automatic calendar watch is the first generation of the "Seamaster Calendar" model, and it is the first Omega watch movement to carry a calendar disc. The 17 jewels movement is an Omega caliber 353 with a pointer regulator. It has been fully serviced and running accurately. The movement serial number is 12582927, dating this watch to 1952. Factory original dial in superb condition. Original signed crown. Crystal is original—brand new 18mm matching high-quality handmade genuine leather strap. The gold capped over stainless steel original case measures 35.3mm, excluding the crown by 43.2mm lug tip to lug tip. Case model 2627 - 4. The calendar feature is working accurately. This watch is in its original unpolished condition. Let's just say, this is as clean and as great as this watch/model can get! The wrist size in the photo is 6 inches.
1952 OMEGA SEAMASTER CALENDAR
Circa: 1952
Model: Seamaster Calendar
Caliber: 353
Movement serial #: 12582927
Jewel count: 17 jewels
Movement Type: Bumper automatic wind
Case model: 2627-4
Case material: Gold capped over stainless steel
Case gasket: Flat-Ring rubber gasket
Crystal: Acrylic original signed crystal
Crown: Signed
Case Diameter excluding crown: 35.3mm
Case length lug tip to lug tip: 43.2mm
Dial: Factory original finish
Hand type: Dauphine (original)
Strap material: Vintage style genuine leather
Strap width between lugs: 18mm
Wrist size in photo: 6 inches