Seiko Cal. 6690 - 774

The 6690-774 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1adce43afe5e]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1969

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