Watch Database

    Geneva Sport Watch 31

    Jewels: 17

    Power Reserve: 33 hrs

    Frequency: 18000 vph

    Type: Manual Wind

    Period used: 1899-1903

    Diameter: 45.75 mm

    Height: 10.1 mm

    Hands: 2.46 x 1.27 / 0.30 mm

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    The Geneva Sport Watch 31 is a watch movement that was produced from 1899 to 1903, with a total of 31,000 units manufactured during that period. It features an open face calibre, known as the model 5. The movement is equipped with a bimetallic screw balance and a Breguet hairspring, enhancing its precision and accuracy. Notably, the ratchet is positioned under the base plate, and it incorporates a negative stem mechanism with a rocker bar. The Geneva Sport Watch 31 also includes functions such as stem winding, which can be switched by either the crown or lever, and a sub-second display.

    The Geneva Sport Watch 31 features the following functions:

    • Stem wind, with switching capability through crown or lever
    • Sub second feature

    Mainspring Listing

    DimensionsGR Reference #End TypeBuy
    2.92 x 0.222 x 570 x 17.5 mmManual
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