Seiko Cal. 3877 - 991

This Hand-Winding model from 1970 features a 43mm PVD Black case. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-7a40dd13c091]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1970

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