Seiko Cal. 3859 - 526

This Spring Drive model from 1978 features a 37mm Gold-Plated case. Powered by the 3859 caliber with 26j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-57de35b36d41]

Also known as: Monster, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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