Seiko Cal. 4581 - 331

This Spring Drive model from 1982 features a 36mm PVD Black case. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-925296f174b0]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1982

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