Seiko Cal. 6690 - 163

The 6690-163 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-47ca89aea04b]

Also known as: Navigator, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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