ASTRON SSH104 2.25 5 mm x Thickness: 7

5 mm x Thickness: 7

and a unidirectional bezel

with serial number on each caseback

the world's leading scuba diver training organization

5ct diamond in each ear

ASTRON SSH104 2.25 5 mm x Thickness: 7Astron 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