Caliber 7N42 | Watch parts and watch material | JKhorological Hong Kong
Seiko Quartz for $111 for sale from a Private Seller on Chrono24
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Seiko 7N42 8070 - YouTube
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Seiko mens watches quartz blue dial stainless steel bracelet caliber 7N42 SGEA71 | eBay
Identify] My late father's Seiko Quartz Sports 150M. What year is it? Back says: 7N42-601A but I cannot find in Google the exact same model. Thank you in advance : r/Watches