Seiko Cal. 6690 - 564

The 6690-564 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-c86f3b4ec3de]

Also known as: Turtle, Monster

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1967

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