Seiko Cal. 6691 - 916

This Quartz model from 1991 features a 41mm Stainless Steel case. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-4a1b239e1eaf]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1991

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