Seiko Cal. 4581 - 492

The 4581-492 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-feb83af2cb7b]

Also known as: Bullhead, Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1977

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