Important Modern & Vintage Timepieces

Geneva, Nov 11, 2012

LOT 137

ROCAIL, QUARTER REPEATING, MOON PHASE, CALENDAR & CHRONOGRAPH Rocail (Pierce S.A., Genève), Swiss, ?Répétition à Quarts Quantième Chronographe?, No. 23424. Made circa 1910. Fine, large, quarter-repeating, hunting-cased, keyless 18K yellow gold pocket watch with triple date calendar, chronograph and moon phases.

C. Four-body, "bassine", polished, button at 2 for the start/ stop and return-to-zero functions of the chronograph. Hinged gold cuvette engraved with prize medals and technical details. D. White enamel with Breguet numerals, outer minute track and 1/5th of a second chronograph divisions, red 24-hour numerals, subsidiary seconds and date dials, apertures for the days of the week and months. Blued steel spade hands. M. Cal. 20???, frosted gilt, 17 jewels, straight-line lever escapement, monometallic balance, self-compensating Breguet balance spring, index regulator, visible chronograph work, repeating on gongs activated by a push-button in the band, silent centrifugal governor. Dial and cuvette signed. Diam. 56 mm.