Corum

18k, nickel lever movement, fully jewelled, gold and enamelled rotor, white dial, applied luminescent dot numerals and hands, three subsidiary dials indicating the state and variation of the tide: moon-phases, coefficients of the tide, high and low tide, rising and falling tide, water level and next tidal time; aperture for date, the shaped case with screw-down crown and screwed down sapphire crystal display back, stepped lugs, the bezel with the nautical pennants corresponding to the figures 1-12 for hours, the left case side signed and numbered, right case side with inscription, case and dial signed, with an 18k Corum buckle, accompanied by a presentation case, adjusting tool, leather folder containing instructions and certificate