Seiko Cal. 4437 - 233

This Kinetic model from 1967 features a 38mm PVD Black case. Powered by the 4437 caliber with 21j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-ef9283f25329]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1967

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