Seiko Cal. 6698 - 688

The Seiko 6698-688 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-4e53e76b8c45]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1969

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