The Sandberg Watch Collection

Hotel Richemond, Geneva, Mar 31, 2001

LOT 158

James Cox, London, 1767, casemaker's mark P.M. incuse, for Peter Mounier.Very important and rare 20 ct. gold pair-cased moss agate ruby-set watch with fifth-second diablotine, regulator-type dial, date and stop feature, with a contemporary Chinese fob, made for the Chinese market.

CHF 30,000 - 40,000

USD 18,000 - 24,000

Sold: CHF 223,500

C. Outer: two-body, 'bassine', pierced and engraved frame with moss agate panel in the centre, and six smaller oval panels at the side, all seven panels with ruby-set borders, bezel with six similar rectangular agate panels alternating with flower heads set with matching rubies. Inner: two-body, 'bassine', polished. Swivel pendant, bow set with matching rubies, fob woven from silver gilt wire with two tassels and a key, gilded dust ring to protect the movement. D. White enamel, four subsidiary dals: at 2 o'clock Roman numeral hour indication, at 4 o'clock fifth-second jump diablotine dial, at 8 o'clock Arabic seconds dial, at 10 o'clock day of the month indication, outer Arabic minute numerals with five minute markers. Blued-steel 'arrow' and 'poker' hands.M. 36.6 mm o, hinged, gilt brass full plate with square baluster pillars, fusee and chain, cylinder escapement, brass escape wheel, plain steel three-arm balance, overbanking pin on the body of the staff, one-footed gilded cock pierced and engraved with asymmetrical foliage, diamond endstone, rack and pinion regulator with silver plate with Roman chapters, at 2 o'clock the stop watch lever.Signed on the dial.Diam. 53 mm. Published in the Sandberg book, page 230-231.

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Grading System
Case: 3


Movement: 3*


Overhaul recommended, at buyer's expense

Dial: 3 - 13 - 01


A watch with a similar case, made for the Chinese market, is illustrated in 'La Montre des origines au 19ème siécle', by Catherine Cardinal, fig. 157. It is part of the collection of the Musées Royaux d'Art et d'Histoire, Brussels, inv. 2782.Cox JamesFor a biography, see page 150