Seiko Cal. 3867 - 856

This Spring Drive model from 1983 features a 36mm Two-Tone case. With its 19mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-1d69674c9777]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1983

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