The Seiko Prospex SBDY009J is a must - have for diving enthusiasts. Whether you're exploring the deep sea or just swimming in the pool, this watch is your perfect companion. With a 200m water resistance, it can handle all your underwater adventures. The watch is great for both professional divers and casual swimmers. It has a stainless - steel case, measuring H48.4mm x W43.8mm x D13.4mm, which gives it a sturdy and stylish look. The automatic with manual winding mechanism ensures you won't be left in the dark, and the Lumibrite hands and indexes help you tell the time even in low - light conditions.