Case Width: 44 mm Water Resistance: 100 m (330 feet) The Thomas Earnshaw Armstrong men's automatic watch is a beautifully crafted timepiece with a luxurious design. The round stainless steel case is 44 mm in size and features a mineral crystal crystal, an exhibition case back, and 100 m (330 feet) of water resistance. The dial is green in color and powered by the M-PTS-2189-NK movement with 38 hours of reserve power. The silver steel bracelet band has a deployment clasp for closer.