Seiko Cal. 6398 - 831

The Seiko 6398-831 represents an important milestone in Seiko's 1986 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-e813d9ef1c9b]

Also known as: Pogue, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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