Seiko Cal. 3871 - 603

This Hand-Winding model from 1972 features a 39mm PVD Black case. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-0a9d04478cc4]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1972

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