What is an automatic watch?

Automatic watches are self-winding mechanical watches that use the natural movement of the wearer's wrist to wind the mainspring, eliminating the need for manual winding. Here's some key information:

How they work:

• Rotor/Oscillating Weight: The heart of an automatic watch is its rotor, a weighted component that swings freely. As the wearer moves their wrist, the rotor rotates, winding a spring (the mainspring). This stored energy powers the watch's movement.
• Mainspring: This spring stores the energy generated by the rotor. As the mainspring unwinds, it powers the escapement mechanism.
• Escapement Mechanism: This regulates the release of energy from the mainspring, allowing the watch hands to move smoothly and accurately. It's the component responsible for the ticking sound.
• Gear Train: A series of gears transmits power from the mainspring to the hands.

Advantages of Automatic Watches:

• No need for manual winding (generally): As long as the watch is worn regularly, it will wind itself.
• Sophisticated Mechanism: They're a marvel of engineering and craftsmanship.
• Prestige and Heritage: Often associated with luxury and a rich history in horology.
• Collectibility: Many automatic watches become highly sought-after collector's items.

Disadvantages of Automatic Watches:

• Higher Price Point: Generally more expensive than quartz watches.
• Maintenance: Require periodic servicing (typically every 3-5 years) to ensure accuracy and longevity.
• Accuracy: While advancements have improved accuracy, they're typically less accurate than quartz watches. Variations of a few seconds per day are common.
• Sensitivity to Shock and Magnetism: Impacts and exposure to strong magnetic fields can affect their performance.
• Power Reserve: If not worn for a period of time (depending on the specific watch, usually 36-72 hours), the mainspring will run down and the watch will stop. Some offer extended power reserves.

Things to Consider When Buying an Automatic Watch:

• Movement: The type of movement (e.g., ETA 2824-2, Sellita SW200) influences reliability and accuracy.
• Power Reserve: How long the watch runs on a full wind.
• Water Resistance: Crucial if you plan on wearing it while swimming or showering.
• Materials: The case material (stainless steel, titanium, gold), crystal (sapphire, mineral), and strap (leather, metal) affect both durability and price.

In short, automatic watches are a fascinating blend of engineering, craftsmanship, and style. While they require more care and maintenance than quartz watches, they offer a rewarding ownership experience for those who appreciate their mechanical complexity and enduring appeal.