Seiko Cal. 4491 - 590

The Seiko 4491-590 represents an important milestone in Seiko's 1989 lineup. Powered by the 4491 caliber with 35j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-8965c674675b]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1989

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