Silicon Carbide Buff Wheels 5010 Series Ronda Diver-Tite round plastic crystals are

Diver-Tite round plastic crystals are a double thick waterproof crystal for diver type watches

Timex® REF 421-327401

and are 13

This is a 10 1/2 ligne movement

Silicon Carbide Buff Wheels 5010 Series Ronda Diver-Tite round plastic crystals areSilicon Carbide Buff Wheels These silcon carbide impregnated buffs are created with radial blades for restoring, or creating the satin and or slightly matte finish on watch bracelets, watch cases and watch case backs. Wheel diameter is 100mm, width is 20mm, with a hole diameter of 6. 0mm. For best results work speed should be 2800 RPM with a maximum work speed of 5500 RPM. Suitable for use on steel and all precious metals. Available in 4 degrees of