Seiko Cal. 4422 - 425

The Seiko 4422-425 represents an important milestone in Seiko's 1976 lineup. Powered by the 4422 caliber with 29j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-2982da099aef]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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