Seiko Cal. 6687 - 681

The Seiko 6687-681 represents an important milestone in Seiko's 1983 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-068b14478fce]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1983

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