The Seiko Prospex SPB155J1 is a robust and stylish timepiece designed for adventure. It features a 38mm stainless steel case and a grey dial with LumiBrite on the hands and indexes for excellent visibility. The curved sapphire crystal with anti-reflective coating on the inner surface ensures clarity.

This watch is powered by the 6R35 automatic movement with manual winding capacity, boasting a power reserve of approximately 70 hours. It is water-resistant up to 20 bar, making it suitable for diving. Additional features include a screw case back, screw-down crown, and a see-through case back. The stainless steel bracelet comes with a three-fold clasp with push button release. The SPB155J1 is backed by a 3-year international warranty.