This is a rare and stunning Omega Seamaster Calendar Automatic watch. The solid stainless steel case is unpolished in great condition. The case model is 2757-3 SC and measures a large 34.3mm across excluding crown by 41.8mm lug tip to lug tip.  This is known as the second generation Seamaster watch with the calendar feature.  It is uncommon compared to first and third generation models. The crystal is brand new. Omega signed crown. The fully serviced 17 jewels bumper automatic movement is an Omega caliber 355 with serial number 14279446, dating this watch to 1954. Factory original finish dial uniquely aged and patina. It will come fitted with a 18mm handmade genuine leather strap.  The wrist size in the photo is 6 inches.  


  • Circa: 1954

    Model: Seamaster Calendar

    Caliber: 355

    Movement serial #: 14279446

    Jewel count: 17 jewels

    Movement Type: automatic wind

    Case model: 2757 - 3 SC

    Case material: Solid stainless steel 

    Case gasket: O-Ring rubber gasket 

    Crystal: brand new acrylic crystal

    Crown: Signed

    Case Diameter excluding crown: 34.3mm

    Case length lug tip to lug tip: 41.8mm

    Dial: Factory original finish

    Hand type: Dauphine (original)

    Strap material: genuine leather

    Strap width between lugs: 18mm

    Wrist size in photo: 6 inches