Seiko Cal. 3820 - 742

This Spring Drive model from 1979 features a 43mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-96c034db17da]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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