Seiko Cal. 6690 - 531

The 6690-531 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b92ed966ca22]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1982

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