Grand Régulateur Chronoswiss

Grand Régulateur Chronoswiss, “Grand Régulateur”, No. 073/300. Made in a limited edition of 300 pieces in 1993. Very fine and unusual, oversized, convertible, 18K yellow gold pocket and wristwatch with regulator dial and an 18K yellow gold Chronoswiss buckle. Accompanied by a fitted box, certificate, chain and extra case back. To be sold without reserve Four-body, solid, polished and brushed, transparent inner case back, straight gold-screwed lugs, sapphire crystals. Two-tone, guilloche solid silver with painted radial Arabic numerals on outer plain reserve, subsidiary ring dials with painted Roman numerals at 12 for the hour and 6 for the seconds. Blued steel spade hands. Cal. 17-22R, based on a 1921 Minerva caliber, rhodium-plated, fausses cotes decoration, 15 jewels, straight line lever escapement, monometallic balance, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 46 mm. Thickness 10 mm.