Seiko Cal. 3840 - 666

This Quartz model from 1975 features a 43mm PVD Black case. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-f2a176c6ac81]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1975

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