Seiko Cal. 6680 - 516

The Seiko 6680-516 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-4162ba37fdb4]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1981

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