Seiko Cal. 4577 - 122

The Seiko 4577-122 represents an important milestone in Seiko's 1976 lineup. Powered by the 4577 caliber with 27j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-e818c391b07d]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

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