Seiko Cal. 6392 - 523

The Seiko 6392-523 represents an important milestone in Seiko's 1978 lineup. With its 22mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-d09cf574c73c]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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