JOHANN SIMON BETZMAIJER DANTZIG German silver case coach watch, c. 1730. Diameter: 130 mm. An early eighteenth-century German striking, silver-cased coach watch with alarm and a ‘half quarter’ striking pull repeat, signed on the backplate Johan Simon Betzmaijer Dantzig, c. 1730. The silver case is richly chased, pierced and engraved, the back with a battle scene and surrounded with scroll and floral decorations and marked with the initials DW. The gilt brass 24-hour going movement has a going train with chain fusee, verge escapement and hairspring balance, a pierced and engraved balance cock and regulator disc on the backplate. The ‘half quarter’ striking pull repeat on a bell, mounted in the back of the case, indicates the hours, quarters (double pitch) and half quarters. The champlevé silver dial has a chapter ring with Roman hour, Arabic five-minute and minute divisions with minute arches and a central alarm disc which is set by a (female) winding square next to the disk. The blued steel hands are richly pierced. The tail end of the hour hand acts as a pointer to set the alarm time. • Diameter: 130mm, thickness 70 mm. • The maker, Johan Simon Betzmaijer, was recorded as working around 1740 in Danzig (now Gdansk). • Literature: J. Abeler, Meister der Uhrmacherkunst, Wuppertal, 2010, p. 63; L. Stolberg, Die Kutschenuhr, München, 1993, p. 231.

source:  http://mobile.crijns.com CS1301