High-end Swiss-made tools for watchmakers, stores and collectors. Designed and engineered in a unique partnership between Acrotec H2i and Petitpierre - Swiss companies supplying the high-end watch industry. ONEOF® raises the essential watchmaking tools to the next level.

ONEOF Accuracy Pro

For Watchmakers

Manual multi-position Watch measurement instrument

$3,330

ONEOF Accuracy Boutique Edition

For Boutiques

Watch measurement tool with integrated demagnetizer

$1,270

ONEOF Accuracy²

For Watch Lovers

Watch measurement tool ultra-compact, light and accurate

$320

Petitpierre shark loupes

  • Graphite Black Loupe
    Regular price
    $60.00
    Sale price
    $60.00
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  • Pure White Loupe
    Regular price
    $60.00
    Sale price
    $60.00
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  • Candy Pink Loupe
    Regular price
    $60.00
    Sale price
    $60.00
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  • Lavender Blue Loupe
    Regular price
    $60.00
    Sale price
    $60.00
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    per 
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  • Canyon Orange Loupe
    Regular price
    $60.00
    Sale price
    $60.00
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    per 
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