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1984 1st Issue Gen. 1 Seiko RAF Pilot's Military Chronograph with NATO Issue Numbers on the Caseback – Corr Vintage Watches
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Seiko Vintage First Year 1984 RAF Gen 1 7a28-7120 for $1,051 for sale from a Private Seller on Chrono24
Harry's Vintage Seiko Blog: Seiko Gen 1 (1st Generation) 7A28-7120 Royal Air Force flight crew issued military analog chronograph
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