Seiko Cal. 3864 - 626

The Seiko 3864-626 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-346cb1997a67]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1971

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