HMS Clubmaster Diver Pro automatic watch, 44 mm. Stainless steel and tortoiseshell acetate case. Matt black dial. Hours, minutes, seconds and date window at 4 o'clock. Unidirectional rotating notched bezel with ceramic insert graduated at 60 minutes. Polished steel "arrow" hands with natural Superluminova® inserts. Ultra-resistant sapphire crystal - 3.3 mm thick. Water-resistant to 300m / 30 ATM. Exclusive Briston interchangeable strap in black nylon. Automatic movement NH35A calibre manufactured by Seiko.