Seiko Cal. 5239 - 863

The Seiko 5239-863 represents an important milestone in Seiko's 1999 lineup. Powered by the 5239 caliber with 27j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-aec96dd3f93d]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1999

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