Seiko Cal. 4420 - 481

The Seiko 4420-481 represents an important milestone in Seiko's 1968 lineup. Powered by the 4420 caliber with 20j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-cea60fb10d76]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1968

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