Calibre 315 Geneva Seal hallmarked 34 jewels 21k gold rotor mother-of-pearl dial Breguet numerals luminous hands sweep centre seconds two subdials for day and month window for date aperture for moon-phases three-part case in 18k white gold diamond-set bezel sides ends and crown screw down transparent case back 18k white gold and diamond-set Patek Philippe buckle case dial and movement signed