It also goes into a long story about who and when the famous bought their at Tiffany New York. I have a book here "Tiffany & Co." "Tiffany Timepieces by John Loring" Sad to say its one of those coffee table books- with little content-other than how wonderfull it is to buy a timepiece from Tiffany. Pocket Watch Serial Number Lookup.ĭavid, I found the above on the net-all you need to do is to put the serial number in their box-and it will I hope tell you the story of your watch. It could even be Patek-Phililp-but dont trust me on that. The watch its self, looks to me to be a fine example of an alarm watch, but there are members who will read this, and tell you more about the inner workings of your watch, and when it was made,and who made it. When I saw your watch my first thoughts were Gunmetal, and think the case on you watch is made from that substance. It has a tensile strength of 221 to 310 MPa, a specific gravity of 8.7, a Brinell hardness of 65 to 74, and a melting point of around 1,000 degrees Celsius. Gunmetal, which casts and machines well and is resistant to corrosion from steam and salt water, is used to make steam and hydraulic castings, valves, gears, statues, and various small objects, such as buttons. Originally used chiefly for making guns, it has largely been replaced by steel. Proportions vary by approximation but 88% copper, 8–10% tin, and 2–4% zinc is an approximation. Gunmetal, also known as red brass in the United States, is a type of bronze – an alloy of copper, tin, and zinc. For other uses, see Gunmetal (disambiguation).
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