Seiko Cal. 4581 - 504

The Seiko 4581-504 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-220df2ba4bbe]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1969

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