Seiko Prospex SFK001 Sea Sumo Solar GMT Blue more-info Three different types of beeps

Three different types of beeps indicate different measurement modes - handy for no-look operation that frees your focus for rugged adventure

Please note the second strap in the field for comments in the shopping cart

as well as at 12 o'clock on the unidirectional turning bezel

When you're planning an expedition

domed sapphire crystal with anti-reflection coating on both sides

Seiko Prospex SFK001 Sea Sumo Solar GMT Blue more-info Three different types of beepsCombining the ease and accuracy of solar quartz with a 24 hour hand for tracking a second time zone, it's everything you expect from a Seiko diver's watch, and so much more. The robust 45mm stainless steel case and 200 meters of water resistance allow this diver's watch to go anywhere a serious explorer can imagine. Under the stylish pressed pattern dial, the new 5K65 movement turns ambient light into accurate timekeeping. The first Seiko solar