Seiko Cal. 5670 - 841

The Seiko 5670-841 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-9eeff4da7ce7]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1975

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