Seiko Cal. 6647 - 971

This Hand-Winding model from 1988 features a 36mm Gold-Plated case. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-09148d5a821e]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1988

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