Seiko Cal. 6391 - 881

This Automatic model from 1979 features a 39mm Stainless Steel case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-786cc68eff4f]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

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