细节
P. ORR & SONS. AN 18K GOLD AND ENAMEL OPENFACE MINUTE REPEATING KEYLESS LEVER CHRONOGRAPH WATCH
SIGNED P. ORR & SONS MADRAS, NO. 4441, CIRCA 1880
Keyless lever three-quarter plate movement, minute repeating on two hammers onto two gongs, white enamel dial, Roman numerals, two subsidiary dials for seconds and 30 minute register, chronograph operated through the crown, circular case, minute repeating slide in the band, hinged case back with opaque black enamel foliate decoration over engine-turned case, blank cartouche to the centre, dial signed, movement signed and numbered, case numbered
51.5 mm. diam.