A modern Russian two-day marine chronometer, a product of the first Moscow Watch Factory, frosted silver dial, arabic hour numerals, yellow metal hour and minute hands, subsididiary seconds and up-and-down dials with blue steel hands, serial number 24270 on dial and movement reversed fuses Earnshaw escapement, guillaum balance with four small circular heat compensation weights, grey finish, steel helical balance spring, polished steel strip detent with jewelled locking stone to side of banking block and adjustable assembly at the outer end, brass bowl, gimballed in plain three-tier mahogany box with external brass drop handles, outer guard box and velvet cover -- 3¾in. (9.8cm.) diam