Seiko Cal. 4581 - 590

The Seiko 4581-590 represents an important milestone in Seiko's 1980 lineup. Powered by the 4581 caliber with 31j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-417d9fc7a6fc]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1980

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