Seiko Cal. 3865 - 878

The Seiko 3865-878 represents an important milestone in Seiko's 1970 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-cd3b652f51d1]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1970

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