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  • Arnold & Son


    Reference# 1TBAP.S01A.C113A
    Manufacturer's retail price: $56,550.00
    • Details
    • Description
    • Case: 18-karat rose gold
    • Size: 46mm
    • Movement: hand-wound manufacture caliber A&S5003
    • Function: dead-beat seconds
    • Power Reserve: approximately 100 hours
    • Water Resistance: 30m
    • Dial: openworked, palladium-treated bridges
    • Caseback: sapphire crystal
    • Strap/Bracelet: alligator leather

    The TB88's hand-wound movement unites all the technical and aesthetic characteristics of a classical Arnold chronometer. The letters "'TB" stand for true beat, a complication that permits the precision timekeeping required for navigation at sea. Unlike a conventional mechanical escapement, a true beat escapement has an unusual single-pallet design that measures out time in complete one-second steps rather than the fractions determined by the balance frequency.

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