Seiko Cal. 4564 - 650

The Seiko 4564-650 represents an important milestone in Seiko's 1989 lineup. Powered by the 4564 caliber with 22j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-a1dc9669e145]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1989

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