The Seiko Prospex SRP637K watch is perfect for men who love diving or outdoor adventures. With its 200M water resistance, you can wear it while diving or swimming. The black dial with day and date display makes it easy to read the time. The luminous hands and markers are great for low - light situations. It has an approximate case diameter of 47mm, which gives it a bold look. Whether you're on a diving trip or just going about your daily life, this watch is a reliable companion.