Seiko Cal. 6389 - 890

The Seiko 6389-890 represents an important milestone in Seiko's 1969 lineup. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-64d59ae9cfe1]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1969

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