Seiko Cal. 3856 - 857

This Spring Drive model from 1979 features a 36mm Hardlex-Coated Steel case. Powered by the 3856 caliber with 26j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-6b0f7905549b]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1979

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