Seiko Cal. 3817 - 820

This Quartz model from 1975 features a 42mm PVD Black case. With its 18mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-a2c9bef1e90b]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

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