AN EIGHT_DAY DECK WATCH, gimballed in small plain three-tier mahogany box, the matt-silver dial with Arabic numerals signed ZENITH CHRONOMETER, subsidiary seconds and up-and -down dials, blued steel hands, large twin-barrelled lever movement, micrometric adjuster to index arm, breguet overcoil to blued steel balance spring, signed and numbered VAIL WATCH CO.200754, winding through bottom of bowl