Seiko Cal. 6690 - 961

The 6690-961 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-dcb9ef02c652]

Also known as: Emperor, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

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