Seiko Cal. 3897 - 701

The Seiko 3897-701 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-8f1c125935d3]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1968

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