1595-1605 Clock-watches strike the hours as a clock does. This case is finely pierced and engraved. The slotted disk (count-wheel) numbered 1-12 on the back of the mechanism determines how many times the hammer hits the bell. Bockelts was born in Aachen but later moved to Haarlem. Jan Janssen Bockelts, Aachen, Germany Fusee, verge escapement, balance (later replacement) (P&E 1888.1201.170)
aperture=f5.6 focal length: 60.0 mm exposure 1/400 sec ISO: 3200