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Tissot Heritage Small Second Auto COSC 1938 39mm – Windup Watch Shop
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At the heart of the new series are richly textured, curved dials that express the soft and supple feel of natural textiles whose use is… | Instagram
Seiko's Astronomical Observatory Chronometer
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Seiko - COSC King Seiko | Rare | JDM - 7626-7060 - Men - 1960-1969 in Hong Kong
$400 Seiko consistently within COSC spec | WatchUSeek Watch Forums
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