Seiko Cal. 6691 - 758

Released in 1988, the Cal. 6691 with design code 758 was part of Seiko's domestic market collection. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-be45eb7bc115]

Also known as: Samurai, UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1988

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