Omega 491
Cal. 491 Seamaster | Omega Forums
Omega Seamaster 2848 Cal. 491 | Omega Forums
Omega Seamaster Ref.2846-2848 Vintage Cal.491 Small Second Automatic Mens  Watch - Japan Pre-owned Vintage
Omega - Seamaster Automatic Cal.491 18 Karat Copper Gold - - Catawiki
Vintage Gold Watches London on Twitter: "Really Beautiful, Omega Automatic,  18K Rose Gold, Two Tone Dial 1958, Cal.491 Chronometer Mvmt. As good as it  gets!! http://t.co/8qVN5ZAYYh"
Omega - Automatic Black Dial rare cal. 491 - Men - - Catawiki