Important Modern and Vintage Timepieces

Hong Kong, Jun 25, 2011

LOT 431

Bahne Bonniksen Karrusel with Guillaume Balance Bahne Bonniksen, No. 9/1112, retailed by J. Henry Hobbins, Manchester. The case with London hallmarks for 1911 - 1912. Very fine and extremely rare, 18K yellow gold, keyless pocket watch with Bonniksen patented 52 1/2 minute Karrusel regulator and Guillaume balance.

C. Four-body, "bassine", polished, mastermark (FT). Hinged gold cuvette. D. White enamel, radial Roman numerals, outer minute track, subsidiary seconds. Blued steel poire hands. M. 43 mm (20'''), gilt, half-plate with spotted decoration, ring-turned pillars, spring barrel, lateral lever escapement, anibal-brass Guillaume balance with winged arms, gold and platinum temperature and mean time adjustment screws, blued steel Breguet balance spring, diamond endstone, index regulator, whole on Bonniksen 52 1/2 minute Karrusel. Dial signed by the retailer, Bonniksen patent mark on the pillar plate. Diam. 52.5 mm.