Timing Washers for Wrist Watches Bergeon 30131

300 piece assortment of Timing Washers for Wrist Watches in 10 bottles. Swiss made. For these adjustments: 30 seconds, 1 minute, 1 min-30 sec, 2 minutes, 2 min-30sec, 3 minutes, 3 min-30sec, 4 minutes, 4 min-30sec, 5 minutes. Bergeon 30131.