Seiko Cal. 3862 - 920

This Spring Drive model from 1978 features a 45mm Two-Tone case. Powered by the 3862 caliber with 20j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-838a82f2842e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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