Seiko Cal. 3866 - 523

This Quartz model from 1983 features a 46mm PVD Black case. Powered by the 3866 caliber with 17j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-6c5775e292a4]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1983

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