Seiko Cal. 6690 - 978

The 6690-978 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-0a12b4cf9da2]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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