Seiko Cal. 6398 - 321

This Spring Drive model from 1988 features a 40mm PVD Black case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5981496ccf02]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1988

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