Seiko Cal. 3864 - 630

The Seiko 3864-630 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-52695fd1ec19]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1985

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