Seiko Cal. 3820 - 211

This Spring Drive model from 1972 features a 44mm Two-Tone case. Powered by the 3820 caliber with 18j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-91af157f709b]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1972

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