Seiko Cal. 6398 - 522

The Seiko 6398-522 represents an important milestone in Seiko's 1996 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b78e19d2a853]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1996

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