Mechanical GMT SBGM001
SBGM001 debuted as Grand Seiko’s first GMT wristwatch, adding a second time-zone display to its mechanical line.
History timeline
2002
Introduced
No longer available for purchase directly.
Source: Fratello Watches
SBGM001 debuted as Grand Seiko’s first GMT wristwatch, adding a second time-zone display to its mechanical line.
2002
Introduced
No longer available for purchase directly.
Source: Fratello Watches