Seiko Cal. 3860 - 966

This Spring Drive model from 1983 features a 40mm Gold-Plated case. Powered by the 3860 caliber with 32j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-71228a8a5a6d]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1983

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