Seiko Cal. 3830 - 550

This Spring Drive model from 1970 features a 40mm Stainless Steel case. Powered by the 3830 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-df8dfee95a94]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1970

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