Hermle 1051-020.43 The plate size measures 120 x 120 mm and has a 33 mm hand shaft length. The Hermle 1051-020.43 features an 8 day triple chime (4/4 Westminster, Whittington, St. Michael) key wound, dead beat escape, and 8 hammers at bottom. This movement has a pendulum length of 43cm. Key hole positions, relative to the image, are A) 48.75 mm B) 49.25 mm C) 30 mm.