Seiko Cal. 3842 - 242

This Spring Drive model from 1981 features a 38mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-3c5a9a39a652]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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