Seiko Cal. 3859 - 312

This Spring Drive model from 1981 features a 44mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-ade31a324162]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1981

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