Seiko Cal. 4559 - 172

The Seiko 4559-172 represents an important milestone in Seiko's 1973 lineup. Powered by the 4559 caliber with 27j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-b4c2e9e9e478]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1973

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