Seiko Cal. 4581 - 919

The Seiko 4581-919 represents an important milestone in Seiko's 1978 lineup. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-8ec7ab69222d]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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