Seiko Cal. 3864 - 764

The Seiko 3864-764 represents an important milestone in Seiko's 1988 lineup. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-5d82545e881a]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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