Seiko Cal. 3890 - 937

This Spring Drive model from 1981 features a 42mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-1bd9d7ac09ec]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1981

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