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King Seiko 45KS

Name: Seiko King Seiko 45KS
Brand: Seiko
Availability: InStock

36.5mm Popular Model Consistent Pricing

Low $675

Median $750

High $800

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The King Seiko 45KS pairs a hand-wound, high-beat movement with the crisp case geometry that makes late-1960s Seiko so rewarding to wear. Its attraction isn’t just the sweep of the seconds hand: broad polished planes and sharply defined edges give this modestly sized watch real presence on the wrist.

Introduced in 1968 and made by Seiko’s Daini factory, the 45KS runs at 36,000 vibrations per hour—a serious technical statement for its day. For an uninterrupted dial, look to the 45-7000 with the no-date 4500A; the 4502-7000 and its 4502A add a date window without changing the essential character.

Those case edges deserve particular attention: polishing can soften the transitions that give the design its tension. The gold-colored King Seiko medallion on the caseback is another detail worth examining, since wear can leave its relief faint or erase it altogether.

MovementManual Wind

Case Size36.5mm

What owners love

The broad, flat case surfaces and sharply cut lugs give it much more presence than the 36.5mm diameter suggests. Owners enjoy how the polished planes catch the light without making the watch feel bulky.
The hand-wound 4500 and 4502 movements run at 36,000 beats per hour, giving the seconds hand a particularly fine sweep. That fast beat inside a restrained, slim dress watch is a big part of what makes the 45KS enjoyable to wear.

King Seiko 45KS

What owners love

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