Seiko Cal. 4528 - 981

The Seiko 4528-981 represents an important milestone in Seiko's 1983 lineup. Powered by the 4528 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-1c869eb53fae]

Also known as: Monster, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1983

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