Dynamic Race 44mm N61.1 Gray/BlueTECHNICAL SPECIFICATION Movement Calibre Miyota 8217, Automatic movement Functions Hour, minute, second, 24 hours. Date calendar Case 44 mm in diameter. Stainless steel 316L & Gray Ceramic Fine Brushed Polished. Back with opening in the Specially hardened mineral glass, centered on the balance Dial Gray and blue. Index Applied. Skeleton metal hour and minute hands filled with luminous Crystal Sapphire with anti reflective treatment on both sides Water