Seiko Cal. 6639 - 966

This Solar model from 1980 features a 37mm Two-Tone case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f83c967f3932]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1980

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