Seiko Cal. 6397 - 817

The Seiko 6397-817 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-50c850d1a6bf]

Also known as: Sumo, Goldfeather

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1971

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