Wearing your Apple Watch

To make sure you have the best experience, here's some information about potential skin sensitivities and getting a good fit when you wear your Apple Watch.

What's in your Apple Watch

  • Apple Watch Series 1: 7000 series aluminum case, Ion-X glass, and composite back
  • Apple Watch Series 2 (Aluminum): 7000 series aluminum case, Ion-X glass, and ceramic back
  • Apple Watch Series 2 (Stainless steel): 316L stainless steel case, sapphire crystal, and ceramic back
  • Apple Watch Edition Series 2: Ceramic case, sapphire crystal, and ceramic back
  • Apple Watch (1st generation): 316L stainless steel case, sapphire crystal, and ceramic back
  • Apple Watch Sport (1st generation): 7000 series aluminum case, Ion-X glass, and composite back 
  • Apple Watch Edition (1st generation): 18-karat gold case, sapphire crystal, and ceramic back

What's in the bands

  • Sport Band: Fluoroelastomer with stainless steel, ceramic, or 18-Karat gold
  • Apple Watch Nike+ Band: Fluoroelastomer with stainless steel
  • Hermès Bands: Leather with stainless steel    
  • Milanese Loop: Stainless steel
  • Link Bracelet: Stainless steel
  • Leather Loop: Leather with stainless steel
  • Modern Buckle: Leather with stainless steel or 18-Karat gold
  • Classic Buckle: Leather with stainless steel or 18-Karat gold
  • Woven Nylon: Nylon with stainless steel

For people who are sensitive to certain materials

A great deal of care and research goes into choosing materials for all our devices. In addition to ensuring that all materials adhere to existing regulations, we developed our own specification for Apple Watch that goes beyond those requirements.* In fact, every material that touches your skin has gone through extensive evaluation in accordance with our specification. This includes:

  • Thousands of material composition tests
  • More than a thousand prototypes worn for trial studies
  • Hundreds of toxicological assessments
  • Consultations with board-certified dermatologists

A small number of people will experience reactions to certain materials. This can be due to allergies, environmental factors, extended exposure to irritants like soap or sweat, and other causes. If you know you have allergies or other sensitivities, be aware that Apple Watch and some of its bands contain the following materials:

Symbol for nickel

Nickel. Apple Watch models with a stainless steel, space gray aluminum, or rose gold aluminum case; the stainless steel portions of some Apple Watch bands; the metallic portions of the Hermès bands; and the magnets in the watch and bands, each contain some nickel. However, they all fall below the strict nickel restrictions set by European REACH regulation. Therefore, while nickel exposure is unlikely to be a problem, you should be aware of the possibility in case you're susceptible to nickel-related reactions.

symbol for methacrylate

Methacrylates. The Apple Watch case, the Woven Nylon, the Milanese Loop, the Modern Buckle, and the Leather Loop contain trace amounts of methacrylates from adhesives. Methacrylates are found in many consumer products that come in contact with the skin, such as adhesive bandages. Some people may be sensitive to them, or may develop sensitivities over time. Apple Watch and its bands are designed so that parts containing methacrylates are not in direct contact with your skin.

Another potential cause of discomfort is wearing your Apple Watch too tightly or loosely. An overly tight band can cause skin irritation. A band that’s too loose can cause rubbing. If you experience redness, swelling, itchiness, or any other irritation, you may want to consult your physician before you put your Apple Watch back on.

A better fit means better readings

For best results, the back of your Apple Watch needs skin contact for features like Wrist Detect, the Taptic Engine, and the heart rate sensor. Wearing your Apple Watch with the right fit — not too tight, not too loose, and with room for your skin to breathe — will keep you comfortable and let the sensors do their jobs. You may want to tighten your Apple Watch band for workouts, then loosen it when you’re done. In addition, the sensors will work only if you wear your Apple Watch on the top of your wrist.

Too loose

If your Apple Watch doesn’t stay in place, or the sensors aren’t reading your heart rate, tighten the band a bit.

Loose band on wrist

 

Just right

Your Apple Watch should be snug but comfortable.
 

Snug band on wrist

 

Keeping your Apple Watch and bands — as well as your skin — clean and dry will maximize comfort and prevent long-term damage to the watch. This is especially important after workouts or exposure to liquids such as sweat, soap, sunscreen, and lotions that can cause skin irritations.

* Learn more about Apple's restrictions on wearables

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