Seiko Cal. 3870 - 424

This Spring Drive model from 1980 features a 45mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-cf491b8cb272]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1980

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