Seiko Cal. 4421 - 142

The 4421-142 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-50d2d34dfc01]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

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