1974 Omega Speedmaster Mark IV ref. ST 376.0804 176.0015
OMEGA Speedmaster Men's Black Watch - 176.0015 for sale online | eBay
Omega Speedmaster Vintage 1970s Auto Chronograph Wristwatch Rf 176.0015 Serviced. CASE BACK MARKED WITH SERIAL NUMBER #49 suggesting very early production. — About Time
OMEGA SPEEDMASTER AUTOMATIC MARK IV PROFESSIONAL - 176.0015 FROM 1984 WITH CALIBER 1045. Clocks & Watches - Wristwatches - Auctionet