The Seiko 5 Sports GMT SSK0231K1 is a men's automatic watch with a 42.5mm stainless steel case. It features a blue dial with luminescent hands and markers and a GMT function for tracking a second time zone. Powered by the 4R34 automatic movement, it provides a power reserve of approximately 41 hours. The watch is water-resistant up to 100 meters and comes with a stainless steel bracelet.