Seiko Cal. 6392 - 840

The 6392-840 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-b11fc662934f]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1974

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