Seiko Cal. 4423 - 917

The Seiko 4423-917 represents an important milestone in Seiko's 1967 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-c51ca845ddd3]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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