Seiko Cal. 4581 - 542

The Seiko 4581-542 represents an important milestone in Seiko's 1967 lineup. With its 20mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-99504139580d]

Also known as: Rally, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1967

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