A1731311.C934.229SRef

True to the classic Colt style, this watch utilizes a 41 mm steel case with 200 m (660 ft) water resistance and houses an officially certified self-winding chronometer movement. Four signature rider tabs on the satin-brushed bezel provide ease of use and safeguard the double-glareproofed sapphire crystal, while the black, blue, or silver dials include large luminescent hands and hour markers. The Mariner Blue version is identified as A1731311|C934.