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SOLD 1977 Seiko LCD Calculator watch C153-5009 - Birth Year Watches
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1972 Seiko 6138-7000 Calculator Automatic Chronograph | DC Vintage Watches
SEIKO Vintage 1974 Calculator auto day-date, Size 44 mm | eBay
SOLD 1979 Seiko LCD Calculator Alarm watch C359-5000 - Birth Year Watches
Deciphering Seiko Case Back Information — Plus9Time
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1973 Seiko 6138-7000 Automatic Chronograph “Calculator” Slide Rule
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Lot-Art | Seiko - Vintage Digital Calculator Watch with pen - C153-5007 - Men - 1970-1979
SOLD 1979 Seiko LCD Calculator Alarm watch C359-5000 - Birth Year Watches
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SEIKO C359-5000 LCD Digital Calculator Watch on Original Bracelet - May 1979 | WatchUSeek Watch Forums
Seiko C359-5000 Black - Time Art Piece
