Girard Perregaux, Chaux de Fonds, Case No. 54690, 58 mm, 168 g, circa 1874

A heavy, very fine precision hunting case pocket watch with pivoted detent chronometer escapement
Case: 18k pink gold, tiered, à goutte, polished, reeded band, signed gold dome, glazed movement. Dial: enamel, radial Roman hours and Arabic minutes, auxiliary seconds, blued spade hands. Movm.: bridge movement, German silver, signed, ground, 9K pink gold train, screwed gold chatons, pivoted detent escapement, anti-galop system, comp. balance with two oval gold weights and 2 adjusting screws, freesprung blued helical balance spring with both sides passing terminal curves, slender one-armed mirror polished pink gold balance cock, arrow shaped mirror polished pink gold cock for the gold second wheel and the pivot.