Adam Glück, Augsburg, Diameter 160 mm, circa 1680

An astronomical wall clock, a so-called "Telleruhr" of museum quality, with early auxiliary seconds
Case: circular gilt brass case, open worked chased silver Repoussé foliage decor, the back side painted with a laurel wreath. Dial: eccentric hour chapter ring with inlaid radial Roman numerals and inner brass chapter ring with Arabic numerals for the date; central silver moon phase disc with engraved moon and stars and Arabic numerals for the moon age, engraved cover, finely cut single hand; two subsidiary dials with Arabic numerals and gilt single flower hands for auxiliary seconds and the minutes; screwed on finely pierced and engraved foliage decor, front pendulum. Movm.: circular brass full plate movement, firegilt, signed in elaborate calligraphic script, screwed on ratchet wheel with blued steel spring, chain/fusee, baluster movement pillars, verge escapement.

In 1671 Adam Glück is recorded as independent clockmaker in Augsburg. He died around 1686; today some of his clocks are held by renowned museums such as the British Museum in London.
Source: Jürgen Abeler, "Meister der Uhrmacherkunst", 2. Edition, Wuppertal 2010, p. 185.