men's hamilton khaki field mechanical watch h69439931 hamilton the hamilton field mechanical watch is perfect for the outdoor enthusiast who rugged yet stylish. the timepiece boasts a 38mm stainless steel case with black dial. the dial features silver-tone luminescent hands and arabic hour markers, military time, mechanical movement, scratch resistant sapphire crystal, and is water resistant to 50 meters. the watch secures comfortably and securely to your wrist with a green nato strap and stainless steel buckle. 38mm stainless steel case black dial silver-tone luminescent hands arabic hour markers military time mechanical movement scratch resistant sapphire crystal water resistant to 50 meters green nato strap and stainless steel buckle hamilton style #: h69439931