Seiko Cal. 3839 - 187

This Spring Drive model from 1982 features a 38mm Stainless Steel case. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-7e3721a31166]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1982

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