Seiko Cal. 3829 - 186

This Spring Drive model from 1971 features a 37mm Hardlex-Coated Steel case. Powered by the 3829 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-3dec9888d425]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1971

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