Seiko Cal. 6690 - 980

The Seiko 6690-980 represents an important milestone in Seiko's 1977 lineup. Powered by the 6690 caliber with 24j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-60a590702a4a]

Also known as: Goldfeather, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1977

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