Seiko Cal. 4581 - 377

This Spring Drive model from 1980 features a 43mm Titanium case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-428f0f08aff5]

Also known as: Samurai, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1980

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