SWISS WORK CIRCA 1900 Pocket watch in 18K (750) yellow gold with chronograph, triple date, moon phases and minute repeater. Case: basin-shaped, engraved coat-of-arms on reverse side, gold bowl, monopusher for chronograph and slide for striking mechanism on caseband. Dial: white enamel, painted Roman numeral hour markers, railroad minute track, blued steel pear-shaped hands, four auxiliary dials for day, date, month and moon phases/small seconds. Movement: column-wheel mechanical, anchor escapement, cut bimetallic balance wheel, blued steel Breguet balance spring, two hammers on gong, pendant winding. Diameter: 56mm Gross weight: 135.10g