Hermle 340-020 an FHS Hermle Clock Movement that has a plate size measuring 100 x 100 mm and a hand shaft length that measures 33 mm. This is an 8 day Westminster chime movement with 1/4 hour chime and hour strike, key wound, balance 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.