QUESTION] what Seiko watch is this? It belonged to my great grand mother and I am guessing it was bought between the 1940's to the 1990's. She passed a few years ago
Seiko World timer chronograph SQ100 for $260 for sale from a Private Seller on Chrono24
Seiko Chronograph Titanium SQ 100 for $279 for sale from a Private Seller on Chrono24
Seiko 7n42-6b10 Sq 100 Watch Man Mejorofertarelojes | eBay