Seiko Cal. 3897 - 681

The Seiko 3897-681 represents an important milestone in Seiko's 1987 lineup. Powered by the 3897 caliber with 36j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-d99287436569]

Also known as: Shogun, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1987

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