Seiko Cal. 4581 - 562

The 4581-562 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-bed4e985ff96]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1966

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