July 1967 Grand Seiko
GS 5722
5722-9991
Watch movement was overhauled 8/8/2026
Case service (no polish) crown rebuilt new old stock crystal caseback gasket replaced.
Watch passes 6 bar dry test and -0.7 bar vacuum test
July 1967 Grand Seiko
GS 5722
5722-9991
Watch movement was overhauled 8/8/2026
Case service (no polish) crown rebuilt new old stock crystal caseback gasket replaced.
Watch passes 6 bar dry test and -0.7 bar vacuum test