Seiko Cal. 5677 - 337

This Spring Drive model from 1986 features a 46mm Gold-Plated case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-95e8c452c2ca]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1986

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