Seiko Cal. 6650 - 309

The Seiko 6650-309 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-943f9d3e095b]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1980

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