Seiko Cal. 4581 - 581

This Hand-Winding model from 1988 features a 36mm Two-Tone case. Powered by the 4581 caliber with 29j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-5651e1ca5a91]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1988

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