Seiko Cal. 3890 - 142

This Hand-Winding model from 1977 features a 41mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-19012ff462bc]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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