Seiko Cal. 3891 - 164

The Seiko 3891-164 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-b3f64746841a]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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