Seiko Cal. 4577 - 545

The 4577-545 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4577 caliber with 22j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-816c0d42845d]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1980

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