Seiko Cal. 4474 - 633

The Seiko 4474-633 represents an important milestone in Seiko's 1970 lineup. Powered by the 4474 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-e3becf6179a0]

Also known as: Samurai, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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