Seiko Cal. 4420 - 425

The Seiko 4420-425 represents an important milestone in Seiko's 1998 lineup. Powered by the 4420 caliber with 28j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-f702c85f74c8]

Also known as: Pogue, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1998

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