Seiko Cal. 3870 - 969

The Seiko 3870-969 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-45cee97a6111]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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