Seiko Cal. 6631 - 685

This Solar model from 1976 features a 46mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-29aaee134637]

Also known as: Shogun, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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