I encourage everyone to join the National Association of Watch and Clock Collectors, it is a great organization where you can learn a lot about watches and horology in general.
The case is in very good condition, however does have some small indents.
The inner cuvette has been engraved by the original retailer: "Examined by Wm Sommer, 288 Brixton Hill, London S.
Later, their accurate “wristlet” watches proved to be vital to the WWI war effort, helping to fuel a craze back in the states for something called “The Wrist Watch.” By the opulent Jazz Age, if you weren’t displaying the exuberant symmetry of an Elgin wrist watch or carrying a svelte, distinctive Elgin pocket watch, then who were you?
Elgin had helped define the American pocket watch as unsurpassed in “Railroad Accuracy.” By 1930, the post Civil War dream factory imagined by a handful of American entrepreneurs had produced 32 million “time machines.” During World War II, all civilian manufacturing was halted and the company moved into the defense industry, manufacturing military watches, chronometers, fuses for artillery shells, altimeters and other aircraft instruments and sapphire bearings used for aiming cannons.
Over the last few centuries, Pocket Watches have developed a language all of their own.
It can be a bit daunting when confronted with a sheaf of information about a watch, only half of which makes sense.
The amplitude of the majority of watches is between 270 and 320 degrees.
This is also a term for the speed of the Balance Wheel (see Frequency) Rocking from side to side, the Anchor controls the movement of the Escape Wheel to one cog at a time … The shaft on a gear, pinion or wheel The most visibly moving part of the watch, this is the wheel that rotates quickly back and forth.
Raymond, purchased an abandoned farm 30 miles north of Chicago and built a watch factory there.
After a year of designing and building the lathes and machines to achieve seemingly impossible levels of precision, a team of watchmakers and mechanical engineers produced their first pocket watch movement, named for mayor “B. Raymond.” The watch was exquisite: Elgin National Watch Company was born.
If you are a new collector, you will find answers to many frequently asked questions (FAQs) in the Watch Help section. web page is a good, short, introduction to what you need to know about mechanical watches.