Seiko sq 100 ref.7t32-6620 38mm for $276 for sale from a Seller on Chrono24
VINTAGE SEIKO SQ100 QUARTZ 5Y23 DAY DATE WATCH Runs & Looks Great. Free Shipping | eBay
Need Help Dating this Seiko sq100 | WatchUSeek Watch Forums
Seiko Sq100 Quartz Chronograph | eBay
Seiko SQ100] inherited this piece from my granddad about a year ago. I wear it with absolute pride but I've come to realise I don't know much about it. When was it