Seiko Cal. 4423 - 409

This Spring Drive model from 1977 features a 45mm PVD Black case. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-71bb1c38d820]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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