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Here's a very impressive and well preserved FIRST generation vintage Longines Conquest Calendar Automatic.  Conquest Longines is the equivalent of a Constellation Omega.  The unpolished case is original and in very good condition.  Brand new crystal.  The case dimension is 35mm across excluding the crown by 42.5mm lug tip to lug tip.  Case model is 9004-1 (601).  Will come with a brand new 18mm handmade genuine leather strap.  The dial is factory original and nicely patina with visible age spots.  The automatic movement is Longines caliber 19ASD and has been recently serviced.  Movement serial number is 9931411 dating this watch to 1956.  Rare and well preserved vintage Longines similar to this is scarce in today's market.   A must have piece for a Longines Enthusiast.


  • Circa: 1956

    Model: Conquest Calendar

    Caliber: 19ASD

    Movement serial #: 9931411

    Jewel count: 17 jewels

    Movement type: Automatic wind

    Case model: 9004-1 (601)

    Case material: Solid stainless steel

    Case gasket: New Flat-ring rubber gasket

    Crystal: Acyrlic brand new

    Crown: Signed

    Case Diameter excluding crown: 35mm

    Case lenght lug tip to lug tip: 42.5mm

    Dial: Factory original finish

    Hand type: Dauphine (original)

    Strap material: Genuine leather

    Strap width inbetween lugs: 18mm

    Wrist size in photo: 6 inches

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