Seiko Cal. 6647 - 423

This Spring Drive model from 1985 features a 43mm Titanium case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-68176b063c05]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1985

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