Seiko Cal. 4577 - 475

The Seiko 4577-475 represents an important milestone in Seiko's 1968 lineup. Powered by the 4577 caliber with 19j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-1b17bee5287b]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1968

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