Seiko Cal. 4422 - 340

This Automatic model from 1966 features a 42mm PVD Black case. Powered by the 4422 caliber with 36j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-7251a144dd0f]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1966

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