Seiko Cal. 4581 - 578

Released in 1978, the Cal. 4581 with design code 578 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-0b3ea341fbca]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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