Seiko Cal. 6691 - 567

This Spring Drive model from 1990 features a 44mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-a92ec5115572]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1990

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