Seiko Cal. 5646 - 583

The Seiko 5646-583 represents an important milestone in Seiko's 1967 lineup. Powered by the 5646 caliber with 19j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-dfd1034ebdbd]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1967

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