A SEIKO AUTOMATIC CALENDAR WRISTWATCH; ref. 7006-8040 in stainless steel with sunburst silver dial, center seconds, day date, 19 jew... at auction | LOT-ART
Vintage Seiko 7006-8040 men's 19 Jewels automatic watch Very Good Condition | WatchCharts
JW Seiko 7006-8007 - YouTube
Seiko 7006 8040 | thepadoctor.com
Vintage Seiko 7006-8040 Watch For Repair Or Parts at auction | LOT-ART
SEIKO 7006-8040 automatic from 1974' - YouTube
vintage seiko 5 automatic day date movement no. 7006-8040 japan made men's watch | WatchCharts