Seiko Cal. 6398 - 767

The Seiko 6398-767 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-138cebecd582]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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