Seiko Cal. 3877 - 926

This Hand-Winding model from 1983 features a 38mm Stainless Steel case. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-88fbc20b6c5f]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1983

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