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Here is a vintage Omega Constellation Calendar watch dating to 1959, according to its movement serial number: 17211624.  This watch has been professionally serviced, running strong and accurately.  The automatic movement is an Omega calibre 561 with 24 jewels.  The factory's original finish dial is in great condition, and it rarely comes with the additional "Calendar" inscription for this reference. This model was only produced between 1959 to 1961.  The stainless steel case is in very good original unpolished condition with a gold case emblem. Brand new case gasket.  Original correct signed crown.  Brand new acrylic crystal.  The case model is 14393-2 SC and measures 34.7mm across, excluding the crown by 43.7mm lug tip to lug tip.  Watch will come with a matching high quality 18mm genuine leather strap.  Wrist size in photo is 6 inches.


  • Circa: 1959

    Model: Constellation

    Calibre: 561

    Movement serial #: 17211624

    Jewel count: 24 jewels

    Movement Type: Automatic wind

    Case model: 14393-2 SC

    Case Material: Stainless steel

    Case gasket: O-ring rubber gasket 

    Crystal: Acrylic crystal

    Crown: Signed

    Case Diameter excluding crown: 34.7mm

    Case length lug tip to lug tip: 43.7mm

    Dial: Factory original finish

    Hand type: Dauphine (original)

    Strap material: Genuine leather

    Strap width between lugs: 18mm

    Wrist size in photo: 6 inches

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