Seiko Cal. 4581 - 171

The Seiko 4581-171 represents an important milestone in Seiko's 1988 lineup. Powered by the 4581 caliber with 34j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-364394f63f8c]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

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