Seiko Cal. 4431 - 892

This Automatic model from 1965 features a 40mm PVD Black case. Powered by the 4431 caliber with 32j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-87329447a97e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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