Seiko Cal. 4542 - 890

The Seiko 4542-890 represents an important milestone in Seiko's 1981 lineup. Powered by the 4542 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-bd59b9042c99]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1981

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