Seiko Cal. 4490 - 791

The Seiko 4490-791 represents an important milestone in Seiko's 1973 lineup. Powered by the 4490 caliber with 20j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-9ade73b20da4]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1973

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