Seiko Cal. 5239 - 143

The Seiko 5239-143 represents an important milestone in Seiko's 1967 lineup. Powered by the 5239 caliber with 30j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-1dca6105a73d]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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