Measure crystal protector size

  • Option 1


    Measuring with a sliding caliper

    For round watch crystals: Use a (digital) caliper to measure the part of the watch crystal hat needs to be protected, this is the flat part.

  • Option 2


    Measuring with a measuring tape

    For round watch crystals: Place a measuring tape on the watch crystal at the 9 and 3 o'clock positions. Measure the part of the crystal you want to protect; this is the flat part.

Other crystal shapes

If you have a round crystal with a Cyclops (magnifying crystal), a rectangular crystal, or another shape, please complete the form below. We will explore the possibilities and contact you.