SEIK O CRYSTAL CHRONOMETER QC-951 Seiko, Japan, 'Crystal Chronometer QC-951', No. 10637, Made in the later 1960s. Fine quartz, electronic, center-seconds chronometer. Accompanied by the original fitted box. | Important Modern &
Catalog: 1972 Seiko USA Dealer Catalog — Plus9Time
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Seiko QC-951 (help) video added | WatchUSeek Watch Forums
Seiko QC-951 (help) video added | WatchUSeek Watch Forums
Seiko Crystal Chronometer QC-951
Seiko Crystal chronometer, (type QC951=11 S/no 10315), the 5... in United Kingdom