SSH104 slug_VisImp and manual winding capability

and manual winding capability

offers an enlarged digital display for improved visibility of the chronograph

the 24-jewel automatic movement beats at a frequency of 21

and a slim and comfortable stainless steel case and bracelet in dramatic black ion finish

with a power reserve of approximately 40 hours and manual winding capability

SSH104 slug_VisImp and manual winding capabilityAstron 5X Titanium Collection. With the strong, sleek lines of the Seiko Astron, the world's first commercially available quartz watch, today's Astron represents another leap forward, crafted for high intensity sports in light and durable titanium, while providing the highest degree of accuracy possible in a wristwatch effortlessly. GPS controlled for high speed time and time zone adjustment to 39 time zones, the exceptional watch includes a daylight