Seiko Cal. 3861 - 677

The Seiko 3861-677 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-deae788968c6]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1986

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