Seiko Cal. 6398 - 551

The Seiko 6398-551 represents an important milestone in Seiko's 1986 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-0c98c6fd984e]

Also known as: Shogun, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1986

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