Seiko Cal. 4577 - 615

The Seiko 4577-615 represents an important milestone in Seiko's 1991 lineup. Powered by the 4577 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-1df78387bf11]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1991

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