Seiko Cal. 3830 - 866

The 3830-866 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3830 caliber with 21j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-921b2e2915df]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1990

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