Thomas Earnshaw Men's ES-0019-02 Longitude Analog Display Swiss Quartz Black Watch The Longitude Collection pays tribute to the years of innovation and scientific thought in solving the problem of how to measure longitude with an exquisite self-winding automatic skeleton watch with an exposed balance wheel Swiss-Made Quartz Movement with Moonphase White Dial with Black Index, Moonphase Quartz, Sapphire Coated Hardened Mineral Lens Croco leather strap, stainless steel case and buckle Water resistant to 165 feet (50 M): suitable for swimming and showering