Seiko Cal. 4576 - 397

The 4576-397 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4576 caliber with 22j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-176d6e64f971]

Also known as: Turtle, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1993

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