Hamilton calibre H-21 automatic movement with 60-hour power reserve, black dial featuring luminous silver-tone hands and index hour markers (including Arabic numeral at 12 o'clock) plus minute markers around the outer rim. Analog dial type with luminescent displays. Date display positioned at the 6 o'clock mark. Chronograph functions include two sub-dials for displaying 30 minutes and elapsed seconds. Stainless steel round case measuring 42 mm in diameter, thickness of 15 mm, equipped with a fixed bezel and skeleton case back; paired with a stainless steel bracelet having an outer width of 22 mm secured by a deployment clasp with push-button release mechanism. The watch is water resistant up to 100 meters / 330 feet (suitable for snorkeling and swimming but not diving) and features a casual design. Swiss Made.