BREGUET TRIPLE QUANTIÈME CHRONOGRAPH In steel, mechanical hand-wound movement, number 585. Serial number: 585 488.537. Case: steel, 36 mm in diameter, clipped case back. Dial: light grey, three sub-dials for seconds, minute and hour totalisers, moon phase display, triple calendar with day, date and month. Movement: mechanical, hand-wound, calibre 13''' Valjoux 88. Strap: leather with a modern steel folding clasp bearing the Breguet name. Glass: Plexiglas. Accessories: Accompanied by a copy of a letter from Mr Emmanuel Breguet certifying that this piece belonged to his collection, an extract from the archives, and a Breguet presentation box. A rare stainless steel gentleman’s wristwatch with a hand-wound mechanical movement, chronograph, triple-date calendar and moon phases, by Breguet. Circa 1972.