Automatic - self-winding movement beating at 288000 vibrations per hour. Monocrystalline silicone balance-spring power reserve up to 45 hours. Stainless steel and 18K yellow gold cap 200 bracelet case and bezel. Silver "barleycorn" dial with glit hands. Dial set with 12 top Wesselton VS-SI diamonds. Day of the month at the 6 position. Triple safety folding clasp and push-piece opening mechanism. Scratch resistant dial with anti-reflective coating. Lug-to-lug: 44.5mm. Lug width: 20mm. Case thickness: 9.2mm. Case size: 38.5mm. Water resistant to 30 M.