Seiko Cal. 4590 - 411

This Spring Drive model from 1970 features a 37mm PVD Black case. Powered by the 4590 caliber with 32j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-abd884887fc3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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