Seiko Cal. 4581 - 191

This Hand-Winding model from 1986 features a 34mm Hardlex-Coated Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-5e07edcbe4bb]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1986

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