Seiko Cal. 3871 - 476

This Solar model from 1975 features a 46mm PVD Black case. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-2c6d74dbbf58]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1975

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