Winnerl

A RARE GOLD EARLY KEYLESS WINDING POCKET CHRONOMETER WITH THIRTY-TWO HOUR POWER RESERVE INDICATION CIRCA 1845, NO.433

• Movement: gilded three-quarter plate, spring detent escapement, free-sprung bi-metallic compensation balance with timing screws and gold asymmetric poising weights, blued steel helical spring with terminal curves, diamond endstone, fusee and chain with maintaining power, cylindrical pillars, signed and numbered Winnerl, no.433
• Dial: white enamel, Roman numerals, sector for 32-hour power reserve, subsidiary seconds, outer minute ring, signed Winnerl no.433
• Case: gold, engine turned back centred with engraved monogram 'CM', engine turned bezels and band, pusher beside pendant for engaging crown winding, gold cuvette, case and cuvette each with maker's mark JP for Jules Perot and numbered 433 with a W above, additionally numbered 665 with a P beneath
diameter 47mm

Provenance:
Antiquorum Geneva, 23 October 1999, lot 41