Seiko Cal. 3820 - 874

This Quartz model from 1973 features a 40mm Stainless Steel case. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-c01646423777]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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