Seiko Cal. 4559 - 431

Released in 1980, the Cal. 4559 with design code 431 was part of Seiko's domestic market collection. Powered by the 4559 caliber with 33j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-595d2a689db2]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1980

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