Probably German, 90 mm, 451 g, circa 1830

An extraordinary large, provincial hour repeating pocket watch with hour self strike and spring detent escapement
Case: brass, gilt, tiered, polished. Dial: enamel, radial Roman hours, jumping centre seconds, sun hands. Movm.: 2/3 plate movement, keywind, 1 hammer, 1 gong, 2 barrels, solid circular movement pillars, three-arm brass balance.