Inside the Mechanics: What Makes an Automatic Watch Tick?
Could you think of a machine that has a heartbeat? One that does not rely on electricity or a battery to function. It only lives because you move.
It is the fascinating reality of an automatic watch. While digital devices beep for attention, such timepieces operate quietly on your wrist, building a connection between the object and the human who wears them.
Many people ask what makes these watches tick so precisely. Well, it is a story of physics and beautiful engineering. Let us look inside the case to find the answer.
The Heartbeat of the Machine: How Do Automatic Watches Work?
To understand the soul of this watch, we must examine its energy source. A quartz watch uses a battery to power a crystal. An automatic watch uses something far more inventive: kinetic energy. It relies on a tightly wound spring called the mainspring. This spring holds the power and releases it slowly through gears.
The gears control the speed, ensuring the hands move at the correct pace. It is a system of balance and tension working in harmony. Learning how automatic watches work reveals a world of tiny parts moving together. It is a marvel of mechanics that CITIZEN continues to improve every day.
You Are the Power Source: The Ingenious Automatic Watch Mechanism
You might wonder how the mainspring gets wound without you turning a crown. The secret lies in the automatic watch mechanism found at the back of the movement. A semi-circular weight, called the rotor, sits freely on a pivot. As you move your arm throughout the day, this rotor spins.
Gravity pulls the weight, and that spinning motion transfers energy to the mainspring. It effectively captures your daily motion and turns it into time. One could say the watch is “devoted” to you. It needs your movement to fulfil its purpose. This automatic watch relationship is unique to every wearer.
See How CITIZEN Automatic Watches Come to Life.
Crafting the Modern Automatic Wrist Watch from Scratch
To create something true, you must make it yourself. At CITIZEN, we do not simply assemble parts outsourced from others; we are a true manufacture. We build the machine from the inside out. This includes the tiny gears, the springs, and the plates that hold them.
Creating a high-quality automatic wrist watch requires patience and a love for the craft. Our engineers and watchmakers strive to challenge the limits of what is possible. They work to ensure every gear meshes smoothly with the next. This allows us to invent movements that are both accurate and durable. It is honest work that results in a beautiful object.
CITIZEN: A Choice for the Future

Choosing a mechanical timepiece is also a choice for our environment. Because we understand how automatic watches work, we know they generate no battery waste. There is no need to discard old energy cells every few years. The watch runs as long as you wear it and care for it.
It makes the automatic watch a sustainable partner for your life. It represents an optimistic view of the future where we value longevity. It is rarely ever about nostalgia, but more about building timepieces that last. CITIZEN hopes to inspire you to choose watches that stay with you for years.
Discover Your Next Timepiece
We invite you to explore the variety within our collection. Each piece showcases the intricate automatic watch mechanism in a different light. Below are some of our most exquisite options:
A testament to progress. It features a warm gold-tone case that feels substantial yet refined. The “60” refers to its impressive 60-hour power reserve. It ensures your time remains accurate even if you take a break.
This automatic wrist watch combines a mechanical heart with modern skin-friendly science. It uses our Super Titanium™, making it five times harder than stainless steel. The textured orange dial adds a layer of depth that is beautiful to admire, and a date window at the 3 o’clock position provides utility.
A more compact option, this CITIZEN timepiece proves that even the most extraordinary things come in small packages. The striking Pastel Pink dial, covered by sapphire glass, captures the light beautifully. It is a versatile choice for anyone who values subtle, crafted design.
The world inside an automatic watch is one of wonder and logic. It reminds us that we can create complex things even with the simplest laws of nature. Whether you love the engineering or the style, the appeal is undeniable. And it may be time to wear something that moves forward with you.
Start Your Journey with a Mechanical Companion – CITIZEN.
FAQs
1. Can I wind my watch manually if it stops?
Yes. If you haven’t worn your automatic watch for a few days, the power reserve may run out. You do not need to shake it aggressively to wake it up. You can simply turn the crown clockwise a few times to restore energy to the mainspring. It is a simple way to start the movement before you put it on your wrist.
2. Does magnetism affect the timekeeping?
Yes, it can. The automatic watch mechanism includes a very delicate balance spring that regulates time. Strong magnetic fields from speakers, magnetic clasps on bags, or tablets can cause this spring to stick, making the watch run fast or slow. We suggest keeping your timepiece away from strong magnets to ensure it remains true.
3. Is an automatic watch as accurate as a quartz one?
A quartz watch uses electronics to measure time, which is naturally very precise. However, the beauty of how automatic watches work lies in their mechanical heart. While they may vary by a few seconds a day, they offer a level of craft and complexity that a battery watch cannot match. It is a trade-off between absolute digital precision and mechanical artistry.
4. Are CITIZEN watches shock-resistant?
Life involves movement, and that is why many of our mechanical models feature our proprietary Parashock technology. It protects the delicate balance wheel inside the movement from sudden impact. It ensures your automatic wrist watch keeps ticking even through the bumps of daily life.
5. Does CITIZEN manufacture its own movements?
Yes. We produce every part of the watch mechanism in-house. From the smallest of screws to the most intricate of mainsprings, we create it all ourselves. This allows us to continually improve quality and ensure that the heart of your watch is truly ours.



