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Longines Conquest Calendar (1956) 9004-9888328

9004-9888328Ø 35.00 mm

Serviced and revised by Longines Heritage workshop

Collector's Corner

The long and rich history of Longines is written into each of the brand’s design. Each piece produced over the years is part of the Swiss watchmaker identity, a historical legacy that Longines has always strived to preserve and highlight.

  • Watch type

    Waterproof automatic wristwatch, part of the Conquest collection.

  • Serial No


  • Condition




    Overall excellent, attractive condition, original dial. Serviced and revised by Longines Heritage workshop.

  • Production date


  • Sale date

    26 October 1956 to the company Narath in Frankfurt, Germany

  • Documents

    Certificate of authenticity by Longines

  • Dimension

    Ø 35.00 mm

  • Case message

    Stainless steel round case set with a champlevé enamel 14 ct gold medallion inlaid on the case back.

  • Material

    Stainless steel

  • Description

    Brass dial adorned with applied golden faceted dart indexes, luminous bâton dots and date window placed at 3 o'clock, between the center and the minutes track. Black Longines signature and applied yellow winged hourglass logo.

  • Hands description

    Dauphine hands and sweep central seconds.

  • Dial color


  • Movement Type


  • Caliber


  • Functions

    Indication of hour, minute, second and date.

  • Movement

    Longines mechanical self-winding movement, caliber 19ASD. This 25.30mm caliber features 19 jewels and the balance-spring is beating at a frequency of 18’000 vibrations per hour.

  • Material

    Leather strap

  • Size

    17,5 mm

What makes this time piece exceptional

What makes this timepiece exceptional

With its cushion-shaped case and fluid lines, this chronograph has been designed for divers and timekeepers. Its oversized case allows you to easily read the graduated bezel as well as the large tenths of a second and minute counter. Covered with solid mineral glass, the case can withstand a pressure of 20 bars, allowing the diver to descend to a depth of 200 meters. This chronograph bracelet patented by Longines is also equipped with a second hand with a graduated "Vernier" scale at its tip, for quick and precise reading to the nearest tenth of a second. The chronograph movement manufactured by Longines also includes a flyback mechanism.


About restoration

Restoration by Longines is made up of more than ten meticulous steps calling on all the qualities of our experts. From diagnosis to testing, discover more about Longines workshop services.