Seiko Cal. 6677 - 431

This Spring Drive model from 1980 features a 44mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-9273de4e704f]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1980

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