Seiko Cal. 6650 - 392

The Seiko 6650-392 represents an important milestone in Seiko's 1979 lineup. With its 19mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-109478db8e4c]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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