Seiko Cal. 4420 - 456

The Seiko 4420-456 represents an important milestone in Seiko's 1991 lineup. Powered by the 4420 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-ff592ece1497]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1991

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