Seiko Cal. 4420 - 112

This Spring Drive model from 1997 features a 46mm Titanium case. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-2e0e633bb197]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1997

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