Seiko Cal. 4550 - 577

This Hand-Winding model from 1976 features a 46mm PVD Black case. Powered by the 4550 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-ac7353df9178]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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