Seiko Cal. 4577 - 501

The Seiko 4577-501 represents an important milestone in Seiko's 1998 lineup. Powered by the 4577 caliber with 32j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-15baaff655af]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1998

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