Ball Watch Company Trainmster Kelvin Fahrenheit. This Ball Trainmaster Kelvin Fahrenheit is showcased on a smooth silver dial which is 39.5mm in diameter and just 11.8mm in depth. The Trainmaster Kelvin Fahrenheit is also water resistant up to 300 meters. A sub dial above 6 o clock shows Balls patented mechanical thermometer which measures an outside temperature between minus 31 degree Fahrenheit and plus 113 degree Fahrenheit a wonderful addition to this sleek and elegant timekeeping instrument created by the professional watch makers at the Ball Watch Company head Quarters in America.  A beautiful circular date window is shown directly underneath the 1 o clock mark, an unusual yet striking feature which adds balance to the overall layout of the watch face. Ball Watch Company produces its TMT module using a bi-metallic coating. To achieve this exceptional finish to the body work of the watch, heat treated bands are folded at the ends and are cut into very precise profiles to laser weld them into place. Layers of exquisite skill are applied to a deep anthracite dial such as the date window in circular decoration which sits underneath the 1 o clock mark and the contemporary angled hour and minute hands made from stainless steel, matched perfectly with a needle fine seconds hand which sweeps across the circumference of a minimalist dial. The Ball Trainmaster Kelvin Fahrenheit also includes a screw down crown, fixed bezel and is finished on a beautiful brown crocodile strap. Supplier model number NT3888D-LLCJ-GYF