Seiko Cal. 6691 - 561

This Solar model from 1970 features a 41mm Stainless Steel case. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-033f3c976351]

Also known as: Turtle, Pogue

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1970

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