Seiko Cal. 4577 - 228

The Seiko 4577-228 represents an important milestone in Seiko's 1976 lineup. Powered by the 4577 caliber with 23j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-64e8cfbff630]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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