Seiko Cal. 3890 - 903

This Spring Drive model from 1970 features a 35mm Stainless Steel case. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-4d43d3f3b1aa]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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