Hamilton Calibre H-40 Automatic movement, 25 Jewels, 21600 vph frequency, approx. 80-hour power reserve. Silver-tone stainless steel case with brown leather strap equipped with a tang clasp. Fixed silver-tone bezel on the watch case. Beige dial featuring luminous hands, Arabic numeral hour markers, minute markers around outer rim and distinct 24-hour (GMT) scale on an inner ring. Includes day of week and date display at the 12 o'clock position. Luminous markers with visible lume coating enhancing legibility in darkness. Scratch-resistant sapphire crystal lens protecting the dial. Skeleton case back revealing internal components. Round case shape measures 40 mm in diameter and is approximately 11 mm thick (case body thickness). Band width is 20 mm. Water resistant to depths of up to 50 meters or about 165 feet, suitable for recreational surface activities but not professional diving.
