The Seiko Prospex Monster SRPD27K1 is a great watch for men who love adventures. Whether you're diving in the ocean or doing sports on land, this watch can handle it. It has a 42.4mm diameter case and weighs 120g, making it comfortable to wear. With 200m water resistance, you can take it on deep - sea dives. The Lumibrite on hands and indexes ensures you can tell the time even in low - light conditions.