Seiko Cal. 3871 - 340

The Seiko 3871-340 represents an important milestone in Seiko's 1965 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-0ebed422cdbc]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1965

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