Seiko Cal. 3820 - 874

This Automatic model from 1979 features a 34mm Two-Tone case. Powered by the 3820 caliber with 26j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-4db9bd5b807a]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1979

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