Seiko Cal. 6691 - 358

The Seiko 6691-358 represents an important milestone in Seiko's 1992 lineup. With its 19mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-74fd9d1314d3]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1992

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