Grand Seiko] SBGV245, 9F82 HAQ movement. Picked this up last week at the Seiko flagship store (Wako) in Ginza, Tokyo, pictured in the background. : r/Watches
WTS] Seiko SBCM025 HAQ Pepsi Perpetual Quartz Diver | WatchCharts
Grand Seiko's Least Expensive Watches Are the Quartz SBGX261 and SBGX263
Guide to High Accuracy Quartz (HAQ) Watches - Worn & Wound
Guide to High Accuracy Quartz (HAQ) Watches - Worn & Wound
STUNNING VINTAGE 1982 SEIKO DOLCE 9531-603N HAQ TOP END MENS WATCH 20 SECS/YEARのeBay公認海外通販|セカイモン