Seiko Cal. 4584 - 440

The Seiko 4584-440 represents an important milestone in Seiko's 1992 lineup. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-37d73ab54ca1]

Also known as: Sumo, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1992

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