Seiko Cal. 3897 - 966

The Seiko 3897-966 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-422f2e875ba0]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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