Seiko Cal. 6397 - 801

The Seiko 6397-801 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-aeb0abb90b3f]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1984

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