Seiko Cal. 3859 - 478

The Seiko 3859-478 represents an important milestone in Seiko's 1975 lineup. With its 22mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-9cb8a0dbee1e]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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