Important Modern and Vintage Timepieces

New York, Jun 08, 2011

LOT 270

Gold Chronograph Rattrapante Swiss, No. 153798. Made circa 1915. Very fine, 18K pink gold, keyless pocket watch with splitseconds chronograph and instantaneous 30-minute register.

C. Four-body, "demi-bassine", polished, split-seconds gold push-button on the band at 11 o?clock, co-axial button in the crown for start/stop and return-to-zero of the chronograph, button for setting on the band at 1 o'clock, back monogrammed. Hinged gold cuvette. D. White enamel with radial Roman indexes, outer minute track, outermost fifths of a second chronograph divisions, black painted Arabic five seconds numerals, subsidiary seconds dial and 30-minute register with black numerals. Blued steel spade hands. M. 18???, frosted gilt, 15 jewels, straight line lever escapement with antenna compensation, bimetallic split balance, self-compensating Breguet balance spring, micrometer regulator, split-seconds mechanism. Case and movement numbered. Diam. 51 mm, Thickness 18 mm.