Sowind 960 in-house manufactured self-winding mechanical movement Calibre 12 3/4’’’, 32 jewels, frequency 21.600 vib./hour (3 Hz) 48 hours minimum power reserve Tourbillon at 6 o'clock 18 K white gold case, size 39 x 41 mm, height 11.19 mm Curved, anti-reflective sapphire glass Sapphire glass case-back Case-back fastened with 4 screws Water-resistant to 30 m Hand « guilloché » white gold dial Square-scale full skin hand stitched alligator strap with 18k white gold folding buckle