Seiko Cal. 5677 - 978

This Spring Drive model from 1981 features a 34mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-ca0cd8342b7a]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

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