Seiko Cal. 4576 - 831

The 4576-831 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4576 caliber with 25j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-2d23421403ba]

Also known as: Pogue, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

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