Seiko Cal. 3865 - 871

The Seiko 3865-871 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2c4174aee538]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1972

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