Seiko Cal. 3820 - 121

This Quartz model from 1966 features a 43mm Hardlex-Coated Steel case. Powered by the 3820 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-0501bc06044d]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1966

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