Gruen Veri-Thin Precision Service
Gruen Swiss Wristwatch Service Overhaul Service of a Gruen Veri-Thin Precision 21 Jewel Wristwatch This family heirloom Gruen Wristwatch was overhauled, cleaned and lubricated. The movement was disassembled and cleaned. Reinstalled movement and lubricated. Adjusted hairspring which was tricky. The hairspring has to pass through a very narrow space and not touch anything while it … [Read more…]
