G-S Crystal Gauge
This special G-S Crystal Gauge allows the user to more accurately measure round bezels and fancy cases while the movement is still in the watch case.
The straight side of the gauge is the millimeter scale for all G-S styles measured in millimeters.
The cutout side is for G-S round styles measured in G-S sizes.
G-S Supplies, Inc. 1150 University Ave Suite 5, Rochester NY 14607 800.295.3050