Seiko Cal. 3864 - 199

This Spring Drive model from 1977 features a 38mm Hardlex-Coated Steel case. Powered by the 3864 caliber with 28j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-efc1a5d52848]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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