Seiko 5740-1990

Introduced in 1965, the Seiko 5740-1990 is the most robust piece in this group, a 41.5mm stainless-steel watch rated to 300m of water resistance. Its hand-wound caliber 5740 is a high-beat movement running at an exceptional 36,000 vph, giving it a sporting, technical character distinct from the…

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