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
Seiko SQ100 vintage men's watch - jewelry - by owner - sale
Seiko Sq100 sports for $564 for sale from a Private Seller on Chrono24
Seiko SQ-100 Chronograph "Salmon Dial" — The Watch Connection