Seiko Cal. 3897 - 367

The Seiko 3897-367 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-3098e0ce25f7]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1991

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