Seiko Cal. 3859 - 865

The Seiko 3859-865 represents an important milestone in Seiko's 1984 lineup. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-fac1956b0a2b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1984

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