Seiko Cal. 6389 - 663

This Spring Drive model from 1992 features a 34mm Stainless Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-f5b5e9dcd4de]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1992

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