Seiko Cal. 4581 - 518

The Seiko 4581-518 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-a604011a321a]

Also known as: Navigator, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1983

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