Seiko Cal. 4559 - 790

The Seiko 4559-790 represents an important milestone in Seiko's 1975 lineup. Powered by the 4559 caliber with 17j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-b7b297010176]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1975

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