Seiko Cal. 6691 - 713

The 6691-713 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-44e5fb931536]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1987

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