Minute-Repeater Swiss

Minute-Repeater Swiss, No. 18635, case No. 141332. Made for the English market, circa 1915. Very fine, minute-repeating, keyless 18K yellow gold pocket watch. Four-body, bassine, polished, hinged bezel and case back. White enamel with bold radial Roman numerals, outer minute track, subsidiary seconds dial. Blued steel pear hands. Cal. 17’’’, frosted gilt, 35 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance with gold temperature adjustment screws, blued steel Breguet balance spring, index regulator, repeating on gongs activated by a slide on the band. Case and movement numbered. Diam. 48 mm.