Seiko Cal. 3847 - 164

The Seiko 3847-164 represents an important milestone in Seiko's 1982 lineup. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-52ce6263dfc6]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1982

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