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Herme 1050-021 FHS Hermle Mechanical Clock Movement has a plate size of 120 x 120 mm and a hand shaft length of 27 mm. Hermle 1050-021 features an 8 day triple chime (4/4 Westminster, Whittington, St Michael) Key wound, balance regulated , 8 hammers at bottom. Key hole positions, relative to the image are A) 48.75mm B) 49.25mm C) 30mm.