Seiko Cal. 3881 - 989

This Automatic model from 1970 features a 43mm Gold-Plated case. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1cc9335daa5d]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1970

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