Seiko Cal. 3861 - 854

The Seiko 3861-854 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-a6309329b24f]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1971

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