Seiko Cal. 4570 - 521

This Spring Drive model from 1967 features a 42mm PVD Black case. Powered by the 4570 caliber with 17j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-84f3d0c1a3f7]

Also known as: Samurai, Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1967

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