Seiko Cal. 6680 - 635

The 6680-635 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6680 caliber with 28j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-e01551cfce27]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1972

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