Seiko Cal. 4559 - 647

This Spring Drive model from 1976 features a 34mm Gold-Plated case. Powered by the 4559 caliber with 35j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-cdc613321e02]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1976

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