Here is a 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 at the 3 o'clock position. The 20 jewels movement is an Omega caliber 503 with a swan neck regulator. It has been fully serviced and running accurately. The movement serial number is 16976009, dating this watch to 1958.  Rare factory original finish linen/drapery texture dial in great condition.  Original signed crown. Original signed crystal in great shape—brand new 18mm high-quality genuine leather strap. The solid stainless steel original case measures 34.2mm, excluding the crown by 42mm lug tip to lug tip. Case model 2849-1 SC. The calendar feature is working accurately. The wrist size in the photo is 6 inches.


SKU: OME1046
  • Circa: 1958

    Model: Seamaster

    Caliber: 503

    Movement serial #: 16976009

    Jewel count: 20 jewels

    Movement Type: automatic wind

    Case model: 2849-1 SC

    Case material: Solid stainless steel

    Case gasket: O-Ring rubber gasket 

    Crystal: Acrylic original crystal

    Crown: Signed

    Case Diameter excluding crown: 34.2mm

    Case length lug tip to lug tip: 42mm

    Dial: Factory original finish

    Hand type: Dauphine (original)

    Strap material: genuine leather

    Strap width between lugs: 18mm

    Wrist size in photo: 6 inches