Movado: A rare nickel chronometer deckwatch with up-and-down indication, the eccentric chapter-ring with Roman numerals and Arabic five minute divisions, power reserve indication below the VI, outer seconds ring with sweep centre seconds, the case with screwed back, the nickel plated movement jewelled to the centre with 21 jewels and 7 adjustments, the bi-metallic balance with flat blued steel hairspring with micrometer regulation, the movement and case No.340099, under hinged cuvette, with mahogany two-tier observation box