Seiko Cal. 4423 - 609

This Automatic model from 1967 features a 43mm Two-Tone case. With its 20mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-511e0557fc70]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1967

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