Seiko Cal. 4423 - 636

The Seiko 4423-636 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-dca14e82349f]

Also known as: Panda, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1974

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