Seiko Cal. 3897 - 378

The Seiko 3897-378 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-96c3b67a4f42]

Also known as: Shogun, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1985

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