Seiko Cal. 6690 - 564

The Seiko 6690-564 represents an important milestone in Seiko's 1995 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-66a2f0ae9206]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1995

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