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    Reactor Womens Critical Mass Midsize Stainless

    Model# 77516

    $349.95
    Out of Stock.
    Backorders usually ship within
    7 business days.

    This Reactor Critical Mass Midsize 77516 watch features a Stainless steel case, black bracelet, and a blue dial.

    Critical Mass is a masterpiece of timekeeping. With its distinctive sculpted case and unidirectional timing bezel, it is a perfect combination of beauty and aesthetic proportion. Reactor's extreme construction makes Critical Mass ready to go anywhere.

    Two-year Reactor warranty

    Free US shipping; international shipping available

    WatchCo.com is an authorized Reactor watch retailer

    Reactor Model 77516

    Glossary of Watch Terms


    View our Glossary of Watch Terms

    REACTOR watches are designed to meet, or exceed, demanding Swiss standards. Cases are forged from solid stainless steel. Multiple O-ring seals and water-tight screw-down crowns are used throughout. To ensure that REACTOR could survive the decidedly non-sedentary lifestyle of our target customer, we developed new standards. Swiss sapphire crystals gave way to the more impact-resistant hardened mineral glass. The delicate precision of a Swiss movement gave way to the robust accuracy of Japanese quartz. An entirely new case-to-band fastening system was devised, to keep these watches firmly in place during the worst unplanned events. REACTOR truly represents the best of what the world of watches has to offer.

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