Seiko Cal. 4577 - 720

The Seiko 4577-720 represents an important milestone in Seiko's 1997 lineup. Powered by the 4577 caliber with 27j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-fc4f1e81f9df]

Also known as: Turtle, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1997

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