Omega memomatic seamaster alarm 166.071

Omega memomatic seamaster alarm

Ref 166.071

Sunburst blue/gray dial

Cal. Omega 980, Serviced

Case size excluding the crown 40mm

Serial 33'324'XXX, year 1971

History:
The iconic Omega Memomatic was the first wrist watch incorporating an alarm setting on two discs, one disc adjustable minute by minute. During this period other brand such as Vulcain and JLC offered other watches with an alarm setting per quarter hour.