Seiko Astron GPS Solar Chronograph Titanium Black-Tone Watch SSH155JThis Seiko Astron chronograph features a 43mm black ion plated titanium case with a sleek charcoal dial and a date display between 4 and 5 o'clock. It has a black bezel and striking white hands, including a sweeping seconds hand. 5 Year Warranty. 100 metre water resistant.*** 100 metre water resistant. Suitable for swimming, snorkelling but not diving. You should not wear your watch in a hot shower.