Seiko Cal. 3897 - 887

The Seiko 3897-887 represents an important milestone in Seiko's 1982 lineup. With its 22mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-b84988fcae0a]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1982

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