Seiko Cal. 6690 - 775

This Spring Drive model from 1991 features a 45mm Titanium case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-791aaec1c6d9]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1991

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