This Colt collection model boasts a timeless 41 mm steel case that can withstand depths of up to 200 m (660 ft). Its selfwinding movement is officially certified as a chronometer. The bezel is satin-brushed and features four rider tabs for easy handling and protection of the sapphire crystal, which is anti-glare on both sides. The dials come in black, blue, or silver with luminescent hands and hour-markers. The reference number is A1731311|G820 and it comes with a chic Stratus Silver dial.