Skip to Content

Iconic Automatic Movements That Shaped Horology

The best automatic watch movement is one that is precise, durable, and exhibits timeless design. These movements have been driving iconic watches that defined horology over the decades. When you understand the functionality of each movement and why it is important, you start appreciating more what makes your timepiece not just a time-telling device.



What is an Automatic Watch Movement?


A watch movement is the mechanism that powers your watch, allowing it to run even when it does not have a battery. It operates by a rotor that rolls itself with your wrist movement.

This self-winding mechanism guarantees that your watch does not go dead, and this is an ideal mix of convenience, engineering, and tradition.


You do not need to wind it every day as you do in a manual watch, nor are you dependent on electronics as in a quartz. Rather, it is your own movement that provides the energy. That is why it is the preferred option among collectors and enthusiasts for mechanical timepieces.



Why Does the Best Automatic Watch Movement Matter to You?


Power is not always the best choice for an automatic watch movement. It has a direct impact on accuracy, durability, and the prestige of your watch. A properly designed movement makes sweeping hands smooth, provides good performance, and is worth the long-term investment.


In purchasing a watch, you are not just purchasing the case or design. You are investing in the inside movement. It is the factor that defines the good service of the watch over the years. This is why it is always beneficial to know the best movement, allowing you to make a wise choice.



Key Features of the Best Automatic Watch Movement


It is worse to know what a distinctive movement is before studying iconic designs.


Accuracy


The finest movement is one that maintains accurate time. Others are accurate within several seconds a day.


Power Reserve


The effective automatic watch movement provides a high power score of between 40 and 80 hours. There are luxury models that go further than 100 hours.


Durability


The solid construction and anti-magnetic and shock-resistant features ensure your watch will operate in various conditions.


Serviceability


The movements that are simpler to service or replace should keep your watch going for decades.


Innovation


The distinguishing difference between the standard and legendary movements is innovative designs, such as silicon parts, high-frequency balances, and improved winding systems.



Iconic Watch Movements That Defined Horology


1. Rolex Caliber 3135


Whenever you consider the best automatic watch movement, Rolex Caliber 3135 is the one that comes to mind. In 1988, it was launched, becoming a gold standard in the specifications of accuracy and reliability.


This movement has a power reserve of 48 hours and swings with 28,800 vibrations per hour, providing you with a smooth second-hand motion. The Parachrom hairspring stands up against magnetic fields and shocks and guarantees an enduring accuracy.


The 3135 has remained in production for decades, and this fact makes it a favorite of collectors. You will see it in more popular models such as the Rolex Submariner and Datejust, both of which have been regarded as classics in the field of horology.


Additional information: Watchmakers commonly say that the 3135 is bulletproof. Maintaining it is not a problem, and it can last decades. Older models with this movement are also good even today.Close-up view of the Rolex Caliber 3135 automatic movement, showcasing gears, rotor, jewels, and intricate finishing inside a silver metal movement.


2. ETA 2824-2


There is a good chance that you had an ETA 2824-2 to your name, as long as you owned a Swiss watch. It is among the most popular and revered movements in the world, driving a myriad of Swiss-made timepieces.


It also features a 38-hour power reserve and operates at 28,800 beats per hour, making it exceptionally smooth and dependable. The ETA 2824-2 is renowned for its durability and ease of serviceability.


To you, this translates into having a watch that keeps regular time and does not need much maintenance. This movement is utilized in many brands, ranging from the entry-level Swiss up to higher-end brands, due to its level of reliability.


Additional Detail: There are four grades of this movement. Standard, Elabore, Top, and Chronometer. The finishing and accuracy of higher grades are better. It provides brands with flexibility in the varying price ranges.Close-up view of an ETA 2824-2 automatic movement inside a stainless steel watch case, with visible gears and rotor, seen through a transparent case back and brown leather strap


3. Valjoux 7750


The Valjoux 7750 is a chronograph automatic movement that has had a significant impact on history. It was introduced in 1973 and has served as the foundation for many chronograph watches in Swiss brands.


It has 28,800 vibrations per hour and has approximately 48 hours of power supply. It is a combination of both performance and practicality, featuring an integrated chronograph design and a day-date complication.


Tag Heuer, IWC, and Breitling watches utilize the Valjoux 7750 movement. Its strength and capability brought it a workhorse chronograph movement that announced modern horology.


Extra Detail: The 7750 has a cam, rather than a column wheel. This simplifies and eases its repair. It has been continuously in production for more than 50 years.


4. Seiko 7S26


The Seiko 7S26 demonstrates that the most optimal automatic watch movement does not necessarily need to be an expensive one. It was a popular introduction to the hobby, and it was known to drive the Seiko 5 line.


This has a power reserve of 41 hours and beats at 21,600 vibrations per hour. It does not have hand-winding or hacking, but it is so tough and has low maintenance requirements that it is incredibly reliable.


To you, this translates into a watch that does not need much care to keep running. The initial exposure of many people to automatic watches often begins with the Seiko 7S26, due to its low price and durability.


Additional Detail: 7S26 is known to be able to run after years of no service. It is extremely uncomplicated in design, making it hard and strong. This caliber is the one that many collectors began with.


5. Seiko 6R Series


The Seiko 6R series, such as the 6R15 and 6R35, is a step above the entry-level movements. It has longer power reserves, up to 70 hours depending on the model, and it features hacking and hand-winding.


These movements, with 21,600-28,800 vibrations per hour, provide greater accuracy and convenience compared to the 7S26. They can be seen in the middle-end Prospex and Presage lines of Seiko.


The Seiko 6R series is a great option if you desire a movement that is both durable and accurate, and worthwhile. As it will be shown, Japanese engineering can compete with Swiss precision at a reasonable cost.


Extra Detail: The 6R series is made using higher-quality materials than entry-level Seiko movements. It provides a compromise between performance and price. This renders it affordable to hobbyists.


6. Omega Caliber 8500


In 2007, Omega lifted the standards with the launch of Caliber 8500. It also featured the co-axial escapement of the brand, which creates less friction and increases the movement's life.


The Caliber 8500 has a power capacity of 60 hours, which is a twin-barrel design, designed to provide a constant energy supply. It also contains anti-magnet technology, and therefore it is fit for wear in the current day-to-day life.


To you, this would be a movement that remains more accurate across services. The 8500, fitted to the Seamaster and Aqua Terra models of Omega, explains the reason why Omega is a frontrunner in innovation.


Additional Information: The 8500 can withstand magnetic fields of up to 15,000 gauss. It is powered by its twin barrels. Omega produced it internally to ensure higher quality control.


7. Zenith El Primero 400


The Zenith EI Primero 400 is the leader when high-frequency accuracy is required. It was released in 1969, becoming the first automatic chronograph movement capable of timing to 1/10th of a second.


It sets the mechanical watches with a record level of precision, with a beat rate of 36,000 vibrations per hour. It also has an approximate 50-hour power reserve, which is remarkable considering its speed.


Zenith watches, such as the Chronomaster series, continue to run the EI Primero today.

To you, having a watch with this movement will be having a bit of horological history on your wrist.


Additional Detail: The EI Primero is capable of measuring time to 1/10th of a second. Rolex went to the extent of adopting a modified version of its own Daytona in the 1980s. It is one of the quickest and most accurate calibers ever produced.


8. Patek Philippe Caliber 240


The ultimate luxury is the Patek Philippe Caliber 240. This is an ultra-thin movement that was introduced in 1977 with its refined finishing and micro-rotor.


The micro-rotor enables the movement to be thin and yet provide a 48-hour power reserve. It is powered by 21,600 vibrations an hour and is elegant and reliable.


This movement is featured in several of Patek Philippe’s dress watches, including the Calatrava. To you, this is art at its best, balancing between art and engineering to produce one of the best automatic watch movements.


Additional Detail: The micro-rotor keeps the movement thin, saving space. Patek also bases their complicated watches on it. This render is classy and multitalented.


9. IWC Caliber 52010


The Caliber 52010 was designed by IWC as a durable model. It features the well-known Pellaton winding machine of the brand, equipped with ceramic components to reduce wear.


This movement has an astounding seven-day power reserve and is one of the longest-running in its category. It runs at 28,800 vibrations per hour, which translates to accuracy and power.


To you, it is less winding and convenient. The Caliber 52010, featured in IWC’s Portugieser line, showcases the seamless integration of engineering and practicality in one of the finest automatic watch movements available today.


Additional Information: The Pellaton winding system is highly efficient. It charges the watch even when the wrist is in motion, even during small movements. Its two barrels can hold seven days of energy.



Swiss vs Japanese Movements: Which Is Best?


When examining the top automatic watch movements, you will realize that the names of Swiss and Japanese prevail.


Swiss movements are luxurious, crafted, and of heritage. Rolex, Omega, and Patek Philippe are brands that have global standards. These trends also have luxury finishing and novelty.


Japanese movements, however, are more practical and value-oriented. Seiko, Citizen, and Miyota offer decent, affordable, and long-lasting alternatives.


It all comes down to the choice between them: Swiss prestige or Japanese reliability. They both are good, as per your budget and taste.Close-up of a Seiko Presage automatic watch with a blue sunburst dial, visible open-heart aperture showing a Japanese movement, gold-toned indices, and a brown leather strap.



How to Choose the Best Automatic Watch Movement for You


In choosing between a movement that fits you most, what needs to be taken into account is your needs and lifestyle.


  • Budget: Swiss luxury is more expensive, but the Japanese movements are high value.
  • Features: Do you require hacking, hand-winding, or a lengthy power supply?
  • Durability: In case you intend to use it in day-to-day use, opt for tested, strong materials.
  • Brand reputation: Older brands are guaranteed of long service and availability of parts.


With these in mind, you will have the best automatic watch movement to add to your collection.



Conclusion


The best automatic watch movement can best demonstrate precision, durability, and heritage. Rolex, Seiko, Omega, and Valjoux—each of the iconic designs impacted horology in its distinct style. Having this information, you are better positioned to decide wisely on your next timepiece investment by understanding what is unique to these movements.



We are passionate about the horology at LEITZEIT. We introduce watches that utilize some of the finest automatic watch movements available in the world. If you're willing to add one of the classic masterpieces to your wrist, please contact us and choose the perfect timepiece to wear today.

To Wind or Not to Wind? The Case for and Against Watch Winders