This is a Grand Seiko Sport Spring Drive GMT SBGE001, a true GMT watch with fine alignment. It has an unknown service history but keeps very good time and has no issues.
Condition: Very good condition, with a few marks on watch case, bracelet, clasp, and case back.
Bracelet length: 7.25 inches
Bezel spin issue: bi-directional bezel spins fine but does not click due to possible need for new click spring