Seiko Cal. 4538 - 584

The Seiko 4538-584 represents an important milestone in Seiko's 1991 lineup. Powered by the 4538 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-e58803cc1324]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1991

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