Crystal. The clear portion of the watch face that protects the dial, hands, etc. The crystal can be made of plastic, glass or synthetic sapphire. The crystal of a watch is like the window of a house – protects the interior from the elements while still allowing you to see in.
What is the glass covering the face of a clock called?
Bezel/crystal/dials feature a solid brass diamond cut bezel, curved glass lens and a metal dial and back plate. This is the friction fit style so the bezel / glass comes off by twisting and then pull off to get to the dial. Flat round clock glass gets measured from one side to the other, the overal width.
What are the parts of a clock called?
Case: The body that houses the components of a clock. Minute Hand: The longer hand that indicates minutes. Hour Hand: The shorter hand that points to the hour. Barrel: The cylindrical metal box that powers the mechanical timepiece with a mainspring and a toothed round gear.
What is a bezel on a clock?
The glass clock bezel & dials are a combination unit that starts with a heavy gauge steel face plate that can be mounted to your clock face with nails or screws. The holes are predrilled for mounting as well as the hole for your clock movement.
What are the parts of a wall clock?
A wall clock, like a traditional clock, should constitute these parts.
- Main Wheel. Basically, a mechanical or pendulum wall clock is operated on a train of wheels. …
- Escape Wheel. This is the pendulum or the toothed wheel that turns in the escapement of a clock. …
- Minute Hand. …
- Hour Hand. …
- Case. …
- Minutes. …
- Dial. …
What is the outside of a clock called?
A clock face is the part of an analog clock (or watch) that displays time through the use of a flat dial with reference marks, and revolving pointers turning on concentric shafts at the center, called hands.
What does the shorthand mean on a clock?
The short hand is the hour hand. It points to the current hour. The long hand is the minute hand. It tells us how many minutes have gone by after 10.
What are the parts of a pendulum clock?
The movements of all mechanical pendulum clocks have these five parts:
- A power source; either a weight on a cord or chain that turns a pulley or sprocket, or a mainspring.
- A gear train (wheel train) that steps up the speed of the power so that the pendulum can use it.
What is the third hand on a clock called?
Strangely, the third hand on a clock is called the “second hand”. That’s not so strange when one notes that its purpose is to indicate the passage of seconds as units of time. The seeming anomaly is similar to that of the “minute hand”, which is in actuality the biggest hand.
What are the parts of a analog clock?
- Hour hand.
- Minute hand.
- Second hand.
- Hour numbers.
- Minute lines.
What are the subsystems of a clock?
The clock subsystem is the heart of the TSync Time Code Processor timing architecture. Time is maintained in the card’s hardware and incremented in 5nsec units, while sub-second information is tracked. Time, from seconds through years, is incremented based on the internal 1PPS derived from the selected input reference.
What are the hands on a clock called?
There are 3 hands on a clock and their names are Hour hand, minute hand, and second hand.
How many parts are in a clock?
The clock is divided into four parts.