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  • Arnold & Son

    DBS

    Reference# 1DSAP.W01A.C120P
    Manufacturer's retail price: $46,100.00
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    • Details
    • Description
    • Case: 18-karat rose gold
    • Size: 44mm
    • Movement: hand-wound manufacture caliber A&S1311
    • Function: sidereal time
    • Power Reserve: approximately 40 hours
    • Water Resistance: 30m
    • Dial: silvery opaline
    • Caseback: sapphire crystal
    • Strap/Bracelet: alligator leather

    The Instrument DBS Equation Sidereal is a tribute to two watches (Nos. 1 and 2) made by John Roger Arnold that showed mean solar and sidereal time on two separate subdials. The movements of these two watches, made between 1796 and 1799, featured some of the most famous inventions of father and son, including their fabulous thermo-compensated Z balance, expansion escapement and gold helical spring. It is no exaggeration to say that they represented the state of the art in the micromechanics of their time.

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