Seiko Cal. 6631 - 651

This Automatic model from 1990 features a 34mm Two-Tone case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-87bad6db8dbc]

Also known as: Pogue, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1990

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