Men's Hamilton Navy Sub watch, model H78615985. Features a stainless steel case and an orange rubber strap (band width: 18 mm). Equipped with a unidirectional rotating black-plated bezel featuring a silver-tone ring. The dial is black with luminous silver-tone hands and Arabic numeral hour markers, plus index markers at the 3, 6, and 9 o'clock positions. Minute markers are present around the outer rim. Analog functions include date display at the 6 o'clock position. Powered by an ETA Caliber 2824-2 automatic movement with 25 jewels, a frequency of 28,800 vph (4 Hz), and approximately 38 hours power reserve. Functions: hour, minute, second, date. Comes with a screw-down crown, solid case back, round case shape measuring 42 mm in diameter and 14 mm thick. The watch is water resistant up to 300 meters / 1000 feet (approx. swimming). Includes luminous elements for low-light visibility.