Seiko Cal. 4564 - 984

The Seiko 4564-984 represents an important milestone in Seiko's 1999 lineup. Powered by the 4564 caliber with 31j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-bfccb2dcbc6d]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1999

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