I sent Omega an email with the serial number of thee watch I am selling here on Canadianlisted .here were some doubters out there as to the authenticity of this watch. Myself and Omega have verified it is 100% authentic. Here is the response I got from Omega .
OMEGA
OMEGA
ANSWER TO YOUR REQUEST
at omegawatches.com
OUR ANSWER
Dear Mr. Gergely,
We thank you for your request of November 27th, 2013 regarding an OMEGA Seamaster Aqua Terra watch.
Further to your message, we understand that you would like to have some more information on the watch. Therefore, we send you here attached the product sheet of the OMEGA Seamaster Aqua Terra watch, serial number 90836xxx in form of a pdf document.
We hope to have been of assistance to you and would like to thank you for your trust shown in our brand.
Kind regards,
Your OMEGA team
With a view to provide our OMEGA customers with a personal and efficient service and allowing us to keep the follow-up of your requests, we would like to inform you that OMEGA offers a new "contact us" section.
We ask kindly that you use the following link in order to send us your future enquiries
Meanwhile, to be able to treat your recent demand, we inserted it manually to our new "contact us" system.
We created therefore the following login for you:
- Username: Gergely
- Password:
You are able to change your password at any time, once you are logged in our "contact us" system
YOUR QUESTION
I am looking for more info on this Omega watch.
Could you send me the details of the watch if I PROVIDE THE SERIAL NUMBER?
SERIAL # 90836xxx
Just like to know what the caliber of the movement is and the reference number and any other info you can give me on the watch like the size etc
Thanks
Robert

THE COLLECTION
SEAMASTER AQUA TERRA QUARTZ
Steel on steel
MOVEMENT
Caliber: Omega 1538
Quartz precision movement with rhodium-plated finish. End of battery life indicator
Power reserve: 42 months
CRYSTAL
Domed scratch-resistant sapphire crystal
ref: 2517.50.00
www.omegawatches.com
CASE & DIAL
Case: Steel
Case Diameter: 39.2 mm Dial: Black
WATER RESISTANCE
15 bar (150 metres / 500 feet)
FEATURES
Date
There is a large(1cm) scratch from a jeweller opening up the watch on the case back from a battery change. it is not visible when wearing the watch