Seiko Cal. 3897 - 971

The Seiko 3897-971 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-24d4cd842bf9]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

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