Seiko Cal. 3860 - 401

The Seiko 3860-401 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6220ec25ba5b]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1968

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