The Seastrong Diver Extreme Automatic features an AL-525 automatic movement with a 38-hour power reserve. It has a brushed and polished stainless steel 3-part case with a diameter of 39 x 40mm complete with anti-reflective sapphire crystal and water resistance to 300m. There's a ceramic bidirectional rotating diving bezel and a threaded solid case back with Seastrong pattern engraving and a screw-down crown.
The dial has a triangle pattern, coloured outer ring with markers and applied indexes filled with white luminous treatment. There's a date window at 6 o'clock, hand-polished hour and minute hands filled with luminous treatment and polished second hand with the iconic red triangle. Secured with a rubber strap with a push-button folding buckle.
