Seiko Cal. 3890 - 181

The Seiko 3890-181 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-0b91165fa7a3]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1974

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