I would start with panerai.com. It is the watch maker's website which has a ton of information about all of their watches, including the Luminor collection of watches.
Their website, http://www.audemarspiguet.com/en/, will greatly assist one in finding information on the company and their watches. Additionally, one could search for reviews on people who have purchased from them for user information.
You can buy them from the official webpage. For used watches you should look at ebay. In addition you can look through local stores for Fossil watches.
Fossil sells yellow watches. Also look at Amazon and Overstock to look at their choices for yellow watches. Sellers on etsy should have yellow watches as well.
Amazon.com and kijiji.com are excellent sites where you can buy and sell almost anything. If you are looking to sell I would direct you to those sites because you can decide the price you want for your items. Also look on those sites for obtaining a luminor marina jewelry.
Emporio moda italia watches are real watches, They are mad of poor quality, that's why the prices are so cheap. They do look awesome though. These watches can be worn daily and look great.
Jaeger-LeCoultre Master Control Watches are luxury watches and a part of the Master series. They are popular and expensive for an average person. They are made of high quality materials and are very attractive. These men's watches can be found in stainless steal or even solid gold! If you want to purchase this type of watch, I suggest you look at this website: http://www.authenticwatches.com/jaeger-lecoultre-master-control.html
Macy's is having a big Mother's Day watch sale and they do carry Guess watches. Another option could be an Anne Klein watch which is also available at Macy's.
Look in the glove compartment, there should be a sticker with that info. Or look in the owners manual if you have one.
If you are comfortable with buying online, you can find beautiful and discounted watches on www.prestigetime.com/brand/longines.html and www.authenticwatches.com/longines.html. EBay is another source where you can find good watches at incredible deals.
You may find the info you seek if you go to Brownings web site and look for the customer service dept. then look for info on firearm history I believe and there should be a way to provide the info to look up the age of your Browning.If not please provide the serial number to your Shotgun to me and I will date your shotgun for you.
If you want to spend thousands of dollars of money on a watch, you can look at Bulova watches. However, for cheaper watches, you can look at Timex or Fossil.
The best and most economical place is ebay. Look for the ones with free shipping and the sellers scorecard. Do not purchase from someone with less than 100 positive feedback as this watch has its problems.