Seiko Cal. 3867 - 771

The Seiko 3867-771 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-1b0b2fc38dfb]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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