Grand Seiko Spring Drive Chronograph SBGC203 Casio G-Shock Step Tracker GBA800-8A and manual and automatic winding

and manual and automatic winding capability

Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)

LumiBrite: Lumibrite on bezel

1Strap: Two-Tone Stainless steel

Commonly known as the Medium Search and Rescue Automatic (MSAR Auto)

Grand Seiko Spring Drive Chronograph SBGC203 Casio G-Shock Step Tracker GBA800-8A and manual and automatic windingGrand Seiko Spring Drive Chronograph SBGC203 The Grand Seiko SBGC003 Spring Drive Chronograph GMT is an example of one of the most difficult timepieces to build at Seiko's Shinshu Watch Studio, in the Nagano prefecture of Japan. The 416 part 9R86 caliber found in the SBGC003 is all constructed by hand, by only 3 craftsmen at Shinshu Watch Studio. Only capable of building 2 3 movements per day, the 9R86 contains over 50 jewels, 140 oil points, and 5