Seiko Cal. 6680 - 139

The Seiko 6680-139 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c5201fcd5bef]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1980

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