With nickel-finished jewelled lever movement, the blue dial with Arabic five minute divisions, outer polychrome enamelled nautical pennants as hour markers, luminous hands, compass-styled subsidiary seconds at 9, windows for day and date, in large dodecahedral water-resistant-type case with blue vulcanized rubber extension for crown protection, screw back and screw down crown, together with a titanium Corum buckle, case, dial and movement signed