Sowind 97RJ in-house manufactured manual-winding mechanical movement Calibre 12 1/4''', 20 jewels, frequency 21.600 vib./hour (3 Hz) 72 hours minimum power reserve Tourbillon at 3 o’clock 18k pink gold case, dimensions 40.10 x 32.60 mm, height 11.65 mm Bezel set with 96 diamonds Curved, anti-reflective sapphire crystal Case-back fastened with 4 screws Water-resistant to 30 m Galvanic black dial, set with 4 diamonds Square-scale full skin hand stitched alligator strap with 18k pink gold folding buckle