Vol.9 The Quartz GMT caliber. A breakthrough after 25 years.: Caliber 9F86, the uncompromising GMT watch caliber | The 9F and 9S calibers in nine chapters | Grand Seiko
Seiko Grand Seiko 9F Quartz GMT SBGN013 (NEW) for $2,157 for sale from a Trusted Seller on Chrono24
The first ever Grand Seiko 9F quartz GMT calibre | Grand Seiko
Is this Grand Seiko GMT the coolest quartz watch around right now? - Time and Tide Watches