Seiko Cal. 4577 - 967

The 4577-967 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-65472fdeb829]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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