Seiko Cal. 6698 - 681

The Seiko 6698-681 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f7188bcaa360]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1985

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