Authentic Hamilton sports watch, black dial with luminous silver tone hands and hour markers, green fabric strap with brushed stainless steel tang clasp, rotating bezel compass function. Equipped with Swiss automatic Hamilton Calibre H-10 movement (80 hours power reserve), scratch-resistant sapphire crystal, unique case shape, see-through case design, screw-down crown. Water resistant to 100 meters / 330 feet. Features hour, minute, second subdials, and power reserve display.