Seiko Cal. 4431 - 604

This Solar model from 1969 features a 39mm PVD Black case. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-84e16d874b62]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1969

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