Seiko Cal. 4577 - 779

The 4577-779 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-13a2dc7ebf3f]

Also known as: Bullhead, Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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