Seiko Cal. 4431 - 282

This Spring Drive model from 1967 features a 38mm PVD Black case. Powered by the 4431 caliber with 30j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-b11ee0fd6049]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1967

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