Seiko Cal. 3891 - 101

This Hand-Winding model from 1979 features a 34mm PVD Black case. With its 19mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-478b6c260089]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1979

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