Seiko Cal. 3890 - 402

The Seiko 3890-402 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a2eb132697cf]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1970

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