Omega Stopwatch Single Pusher - Model Ref: MG6301 - c.1970s – Vintage Watch Specialist
Found: Two Killer Vintage Omega Stopwatches at Bonhams London - Hodinkee
Bonhams Cornette de Saint Cyr : Omega. Chronographe stop watch en acier remontoir manuel Omega. A stainless steel keyless wind open face chronograph stopwatch Circa 1970
1970'sVINTAGE OMEGA OLYMPIC STOPWATCH IN ORIGINAL CASE, Split second, Rttrapante | eBay
Omega 50mm Omega stopwatch SS handwind wind for £235 for sale from a Seller on Chrono24