The Fossil Machine Chronograph FS4931 is a rugged 45 mm gun‑metal stainless steel men’s timepiece powered by a quartz chronograph movement. It features a textured bezel, black dial with vibrant blue sub-dial accents (chronograph + date), and a matching 24 mm bracelet with deployant clasp. Rated at 5 ATM water resistance, it’s both durable and stylish.