Seiko Cal. 7147 - 331

This Spring Drive model from 1981 features a 44mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-9e1f336654bf]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1981

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