Seiko Cal. 3886 - 642

The Seiko 3886-642 represents an important milestone in Seiko's 1968 lineup. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-ed9c6195081f]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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