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This is an Omega Seamaster center second watch dating to 1958, according to its movement serial number 16841291.  The serviced manual wind movement is an Omega calibre 284 running accurately.  The attractive dial is factory original and nicely aged.  This dial variation (Explorer-type) is seldom seen in this reference. Crystal is brand new—original signed crown.  The uncommon case model is 2938-1 SC, made of solid stainless steel.  The case is unpolished.  The case has a measurement of 36mm across, excluding the crown by 44mm lug tip to lug tip.  New case back gasket.  This watch will come with a brand new 18mm, vintage-style quality leather strap.  The wrist size in the photo is 6 inches.    


  • Circa: 1958

    Model: Seamaster

    Calibre: 284

    Movement serial #: 16841291

    Jewel count: 17 jewels

    Movement Type: Manual wind

    Case model: 2938-1 SC

    Case Material: Solid stainless steel

    Case gasket: O-ring rubber gasket 

    Crystal: Acrylic New crystal

    Crown: Signed

    Case Diameter excluding crown: 36mm

    Case length lug tip to lug tip: 44mm

    Dial: Factory original finish

    Hand type: Dauphine (original)

    Strap material: Vintage style genuine leather

    Strap width between lugs: 18mm

    Wrist size in photo: 6 inches

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