Seiko Cal. 5239 - 172

The 5239-172 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5239 caliber with 30j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-35c4cd3ca7db]

Also known as: Monster, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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