Seiko Cal. 4424 - 537

This Hand-Winding model from 1966 features a 40mm PVD Black case. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-dda981abb2e6]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1966

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