Here you can find resources for further reading and research which I like, find reliable and regularly use. Please note that I’m not affiliated to following sites and I can not be made responsible for their content either.
Omega and Omega related
SAMO – Societé des Amis du Musée Omega – French
Omega Dating by Production Number
Omega Electroquartz – by Thomas Dick, @retromega1977
Omega Chrono – Quartz – by Thomas Dick, @retromega1977
Omega Marine Chronometer – by Thomas Dick, @retromega1977
Omega Constellation Collectors – by Desmond Guilfoyle
Calibre 1040 – by @steviemac1040
Speedmaster 101 – by @speedmaster101
Chrono Maddoxx – by Chuck Maddox
Speedy Tuesday – by Fratellowatches
Vintage Omega Adverts and Owner Manuals
Horology in General
Cité du Temps – Bienne
Musée International d’Horlogerie (MIH) – La Chaux – de – Fonds
Omega Prototypes 