Seiko Cal. 3864 - 985

The Seiko 3864-985 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-80080138cc55]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1980

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