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Grand Seiko Spring Drive 8-Days and what's so "Seiko" about the Spring Drive technology - Monochrome Watches
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Seiko Grand Seiko Spring drive Hand-wind Stainless steel... for $6,522 for sale from a Trusted Seller on Chrono24
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Seiko Prospex Spring drive Titanium divers watch SBDB021/SNR03... for $5,109 for sale from a Trusted Seller on Chrono24
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