Hermle 341-021.25 an FHS Hermle 341.021-25cm Clock Movement that has a plate size measuring 100 x 100 mm and a hand shaft length that measures 27 mm. This is an 8 day Westminster chime movement with 1/4 hour chime and hour strike, key wound, pendulum regulated and 5 hammers at the bottom. Relative to the image, the key hole spacing measures A) 41.75 mmm, B) 42.8 mm, and C) 24.2 mm. This movement has a 25 cm long pendulum.