Seiko Cal. 6683 - 645

The Seiko 6683-645 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-0913ca28de40]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1976

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