Seiko Cal. 6646 - 389

This Spring Drive model from 1981 features a 38mm Gold-Plated case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-07e1df20de40]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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