Seiko Cal. 4420 - 465

The Seiko 4420-465 represents an important milestone in Seiko's 1968 lineup. Powered by the 4420 caliber with 28j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-5bd225e72f69]

Also known as: Sea Horse, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1968

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