Seiko Cal. 4559 - 320

The 4559-320 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4559 caliber with 26j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-fdbb5e5d8e41]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1978

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