Seiko Cal. 6691 - 225

The 6691-225 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-83b6a7bc88ca]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1979

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