Seiko Cal. 4423 - 360

The 4423-360 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ba18aab5ff06]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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