Manual-winding mechanical movement Calibre 12 1/2''', 31 jewels, frequency 18.000 vib./hour 48 hours minimum power reserve Minute repeater with cathedral sound and special adjustment device 18 K solid white gold case, size 43 x 45 mm, height 14.05 mm Curved, anti-reflective sapphire glass Case-back fastened with 5 screws Sapphire glass case-back Water-resistant to 30 m Hand « guilloché » white gold dial Square-scale full skin hand stitched alligator strap with 18k white gold folding buckle
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