Seiko Cal. 4581 - 473

Released in 1990, the Cal. 4581 with design code 473 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-58b9a7cf00be]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1990

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