Seiko Cal. 3821 - 622

This Spring Drive model from 1977 features a 45mm Stainless Steel case. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-289dd7e5de7a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

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