Seiko Cal. 4423 - 320

The Seiko 4423-320 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-b07d43ac60a8]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1976

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