Here is an attractive Omega Seamaster Automatic Calendar watch. This automatic calendar watch is the third generation of the "Seamaster Calendar" model, and it is the first Omega Seamaster model to carry a calendar disc for the 3 o'clock position. The 20 jewels movement is an Omega calibre 503 with a swan neck regulator. It has been fully serviced and running accurately. The movement serial number is 15229225, dating this watch to 1956. Rare non-luminous original aged black dial. Original signed crown. Crystal is brand new—brand new 18mm matching high-quality genuine leather strap. The solid stainless steel original case measures 34.3mm, excluding the crown by 41mm lug tip to lug tip—case model 2849-3 SC. The calendar feature is working accurately. The wrist size in the photo is 6 inches.
1956 OMEGA SEAMASTER CALENDAR
Circa: 1956
Model: Seamaster Calendar
Caliber: 503
Movement serial #: 15229225
Jewel count: 20 jewels
Movement Type: Automatic wind
Case model: 2849-3 SC
Case Material: Solid stainless steel
Case gasket: O-Ring rubber gasket
Crystal: Acrylic New crystal
Crown: Signed
Case Diameter excluding crown: 34.3mm
Case length lug tip to lug tip: 41mm
Dial: Factory original finish
Hand type: Dauphine (original)
Strap material: genuine leather
Strap width between lugs: 18mm
Wrist size in photo: 6 inches