The Seiko Prospex Speedtimer SFJ005 watch features a stainless steel case at 42 mm and a dial with curved sapphire crystal, providing the piece with resilience and durability. Its bracelet is also made of steel and has a three-fold clasp with a button release. With solar movement, when the watch is fully charged, it can last up to six months. Among the functions of this watch, you'll find overcharge prevention, a chronograph up to 60 minutes, and a battery duration warning. This edition is limited to four thousand pieces, don't miss out on yours.