FHS 451, 1151, 1161 Auto Beat Verge 19 mm - 1" pin (Anchor Automatic Verge)a Pin Type FHS Hermle Auto Beat Verge made specifically for FHS movements 141, 151, 241, 351, 451, 1051, 1151, and 1161. The distance from the back plate to the suspension spring pinhole measures 19 mm and has a 1" long pin.