Seiko Cal. 4451 - 478

The Seiko 4451-478 represents an important milestone in Seiko's 1983 lineup. Powered by the 4451 caliber with 18j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-2eaf7edf1530]

Also known as: Rally, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1983

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