It’s a watchmaker dexterity test tool. See if you can balance the watch head on there using only one hand. If it doesn’t fall off, you may proceed with the repair. It’s to insure there’s been no excess drinking...
It’s a watchmaker dexterity test tool. See if you can balance the watch head on there using only one hand. If it doesn’t fall off, you may proceed with the repair. It’s to insure there’s been no excess drinking...