Seiko Cal. 6683 - 691

The Seiko 6683-691 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ae610efc7e1b]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1986

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