Timex M79 Automatic 40mm pairs retro Q-inspired styling with an automatic movement and an exhibition case back, designed for everyday wear and reliable timekeeping. Key attributes: Silver | Black | Stainless steel | Automatic movement (21-jewel) | Water resistant to 50 meters | Unidirectional rotating bezel | Day/date window | Exhibition case back | Deployant clasp | Black dial with luminous markers | Retro 1970s Q-inspired bezel design | Acrylic crystal | Dimensions & fit: Case diameter: 40 mm | Case height: 14.5 mm | Lug width: 18 mm | Adjustable stainless-steel bracelet | Composition & care: Stainless steel case | Stainless steel bracelet | Acrylic crystal | Wipe clean with a soft cloth; avoid pressing buttons while the watch is wet.