JR80 (33QJ) self-winding mechanical movement Calibre 11 1/2’’’, 27 jewels, frequency 28.800 vib./hour (4 Hz) 50 hours minimum power reserve Perpetual calendar with leap years indication and moon phases 18K solid white gold case, size 39 x 41 mm, height 11 mm Curved, anti-reflective sapphire glass Flat sapphire glass case-back Case-back fastened with 4 gold screws Water-resistant to 30 m Hand made « guilloché » gold dial Hand made square-full skin alligator strap with 18 K solid white gold folding buckle
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