Seiko Cal. 5290 - 591

The Seiko 5290-591 represents an important milestone in Seiko's 1971 lineup. Powered by the 5290 caliber with 22j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2fbab6b4668b]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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