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Here is a rare Omega Seamaster Automatic Calendar watch.  The 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 355 with swan neck regulator.  It has been fully serviced and running accurately.  Movement serial number is 13172537 dating this watch to 1952.  Rare yellow gold hour indexes original dial in excellent condition.  Yellow gold original set of dauphine hands.  Original signed crown.  Crystal is brand new.  Brand new 18mm matching high quality genuine leather strap.  The gold capped over solid stainless steel original case measures 35mm excluding crown by 43.5mm lug tip to lug tip.  Case model 2627 - 10 SC.  Calendar feature working accurately.  This watch is in its original unpolished condition.  Great investment timepiece!  Wrist size in photo is 6 inches.


  • Circa: 1952

    Model: Seamaster Calendar

    Caliber: 355

    Movement serial #: 13172537

    Jewel count: 17 jewels

    Movement type: Bumper automatic wind

    Case model: 2627-10 SC

    Case material: Gold capped over solid stainless steel

    Case gasket: Flat-Ring rubber gasket 

    Crystal: Acyrlic New crystal

    Crown: Signed

    Case Diameter excluding crown: 35mm

    Case lenght lug tip to lug tip: 43.5mm

    Dial: Factory original finish

    Hand type: Dauphine (original)

    Strap material: Vintage style genuine leather

    Strap width inbetween lugs: 18mm

    Wrist size in photo: 6 inches

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