![Locking Disk 340/451/1151 (10751672783)](http://perrinwatchparts.com/cdn/shop/products/CP.0630-600_600x600.jpg?v=1595352247)
Locking Disk 340/451/1151 is a locking disk specifically for Hermle Movements 340, 451, 1151, 350, 351, 461, 1050, 1051 and 1161 (new execution- to use as a replacement for the old style, you must cut .158" from bottom).
Locking Disk 340/451/1151 is a locking disk specifically for Hermle Movements 340, 451, 1151, 350, 351, 461, 1050, 1051 and 1161 (new execution- to use as a replacement for the old style, you must cut .158" from bottom).