Seiko Cal. 5239 - 601

The 5239-601 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-27a7ff375609]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1974

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