Seiko Cal. 5239 - 102

The Seiko 5239-102 represents an important milestone in Seiko's 1987 lineup. Powered by the 5239 caliber with 22j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-e0a0df9da2cd]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1987

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