There Are Pandas, and Then There Are Pandas.
And this isn't either of them! The Pandas we're talking about here, are watches, not bears. And what got me thinking about them (again) was a link posted this morning by @cm.rook who pointed a few of us to the very attractive (and not terribly priced) Yema "Rallygraph" Panda which, in it's most traditional arrangement, looks like the one on the left, but can also be had in the version on the right: The model on the left is a true Panda, while the model on the right is called a reverse Panda. The reason for that distinction is clear--Panda bears, only come in the first arrangement. Now at this point, everyone should be thinking about the most well-know Panda, The Rolex Panda, which is actually a Daytona, and among Rolex Daytonas, the most famous of which is the Paul Newman Daytona, which was famous first, because it was Paul's, and second because it sold at auction for $17.8 million (US Dollars). The story of that auction is well-known so I'll only...
Nov 8, 2019
Timepiece is an instrument used to measure, keep, and indicate time. One of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units: the day, the lunar month, and the year. A mechanical watch is a timepiece that uses a clockwork mechanism to measure the passage of time.
Mainspring is a spiral flexible, elastic metal ribbon that stores mechanical energy when it is twisted. A mechanical watch is driven by a mainspring which must be wound either periodically by hand or via an automatic winding mechanism.
Balance spring is a fine spiral or helical torsion spring used in mechanical watches and other timekeeping mechanisms to control the rate of oscillation of the balance wheel. A balance spring, is attached to the balance wheel in mechanical timepieces.
- The mainspring powers the watch, The force of the mainspring turns the barrel.
- The barrel has gear teeth around the outside that turn the center wheel once per hour and the fourth wheel is geared to rotate once per minute.
Now the gear system is ready to give to the timepiece, brand new magic powers. By the use of symbols, turning hands and dials we can measure very short intervals of time. Sequence events, compare the duration of events and to quantify rates in material reality.source: wikipedia