Seiko Cal. 4421 - 324

This Hand-Winding model from 1972 features a 38mm PVD Black case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-403387ea70d0]

Also known as: Goldfeather, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

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