Seiko Cal. 6680 - 964

The 6680-964 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6680 caliber with 30j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-42b1a2fccf17]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1993

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