Seiko Cal. 6690 - 854

The Seiko 6690-854 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2f618e35a3bc]

Also known as: Sumo, Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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