Seiko Cal. 4597 - 189

This Solar model from 1977 features a 40mm PVD Black case. Powered by the 4597 caliber with 21j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-bdff46e73b09]

Also known as: Monster, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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