Seiko Cal. 4423 - 938

The Seiko 4423-938 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-36be1969f559]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1975

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