Seiko Cal. 4581 - 507

The Seiko 4581-507 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-75f1417b2735]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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