Seiko Cal. 6680 - 650

The 6680-650 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6680 caliber with 24j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-718f8c22b791]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1984

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