Seiko Cal. 4528 - 183

This Spring Drive model from 1986 features a 36mm PVD Black case. Powered by the 4528 caliber with 20j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-117d9d33e432]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1986

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