Seiko Cal. 4556 - 217

The Seiko 4556-217 represents an important milestone in Seiko's 1969 lineup. Powered by the 4556 caliber with 27j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-5cf3d603eef1]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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