This is an immaculate and astonishing Omega Seamaster Calendar Automatic watch.  Probably the nicest example for an extremely long time. The solid unpolished steel case is in excellent condition. The case model is 2849-6 SC and measures 34mm across excluding crown by 42mm lug tip to lug tip. The crystal is brand new. Omega signed crown. The fully serviced 20 jewels automatic movement is an Omega caliber 503 with serial number 16260201, dating this watch to 1958. Rare black tone factory original finish dial in excellent condition.  It will come fitted with a new 18mm handmade genuine leather strap.  The wrist size in the photo is 6 inches.  


  • Circa: 1958

    Model: Seamaster Calendar

    Caliber: 503          

    Movement serial #: 16260201

    Jewel count: 20 jewels

    Movement Type: automatic wind

    Case model: 2849-6 SC

    Case material: Solid stainless steel

    Case gasket: O-Ring rubber gasket 

    Crystal: Acrylic new crystal

    Crown: Signed

    Case Diameter excluding crown: 34mm

    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