Seiko Cal. 3819 - 947

This Spring Drive model from 1965 features a 36mm PVD Black case. Powered by the 3819 caliber with 22j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f28c2f717c90]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1965

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