SSK025 slug_Solid with black ceramic one-way rotating

with black ceramic one-way rotating elapsed timing bezel

With a curved anti-reflective sapphire crystal

Visible through the screwdown see-through caseback

and a tri-fold push button release clasp with secure lock and extender

SSK025 slug_Solid with black ceramic one-way rotatingSeiko 5 Sports Field GMT. For decades, Seiko 5 Sports has delivered consistently high levels of reliability, durability, and performance. Equipped with automatic technology that you control with every movement, this versatile watch combines the clear and highly visible design elements of the Field style with the convenience of viewing the time in a second time zone. This timepiece is powered by a 24 jewel movement that beats at a frequency of 21,600