Seiko Cal. 6397 - 877

The Seiko 6397-877 represents an important milestone in Seiko's 1990 lineup. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-0933643f54e2]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1990

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