Seiko Cal. 4559 - 928

The Seiko 4559-928 represents an important milestone in Seiko's 1985 lineup. Powered by the 4559 caliber with 33j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-55f92eee4865]

Also known as: Sumo, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1985

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