Seiko Cal. 6691 - 698

The Seiko 6691-698 represents an important milestone in Seiko's 1989 lineup. Powered by the 6691 caliber with 25j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-1276b6d9e7ee]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1989

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