Seiko Cal. 3822 - 641

This Spring Drive model from 1971 features a 38mm Hardlex-Coated Steel case. Powered by the 3822 caliber with 18j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-504488f0b62e]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

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