Seiko Cal. 4423 - 716

This Spring Drive model from 1974 features a 45mm Titanium case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-4f5bf0fff3b5]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1974

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