Keep your Apple Watch clean and dry. Soaps, cleaning products, abrasive materials,1 compressed air, ultrasonic cleaning, and external heat sources can cause damage and shouldn't be used with your Apple Watch.
To clean your Apple Watch, follow these steps:
Turn off your Apple Watch and remove it from the charger.
If you have a leather band, remove it from your Apple Watch.
Wipe your Apple Watch clean with a nonabrasive, lint-free cloth. If necessary, lightly dampen the cloth with fresh water. Or you can hold your Apple Watch under lightly running, warm, fresh water for 10 to 15 seconds. Soaps and other cleaning products shouldn’t be used.
Dry your Apple Watch with a nonabrasive, lint-free cloth, including the surface of the back crystal.
Clean and dry the Digital Crown
If the Digital Crown gets stuck or won’t move, check for debris and wipe down your Apple Watch. If you find substances like dust or lotion around the Digital Crown, follow these steps to clean it, and repeat as needed:
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Turn off your Apple Watch and remove it from the charger.
If you have a leather band, remove it from your Apple Watch.
Hold the Digital Crown under lightly running, warm, fresh water from a faucet for 10 to 15 seconds. Soaps and other cleaning products shouldn't be used.
Continuously turn and press the Digital Crown as water runs over the small gap between the crown and the housing.
Dry your Apple Watch with an absorbent, non-abrasive, lint-free cloth. Be sure to wipe the surface of the Digital Crown, the space between the Digital Crown and the watch case, and the surrounding surfaces, removing any water.
Clean and dry your band
Remove the band from your Apple Watch before cleaning. This cleaning information applies to Apple-branded bands only. For all other bands, follow the care information provided with the band.
For leather bands:
Wipe the leather portions of the bands clean with a nonabrasive, lint-free cloth. If necessary, lightly dampen the cloth with fresh water.2
Don’t soak leather bands in water. The leather bands aren't water resistant.
Let the band air dry thoroughly before you attach it to your Apple Watch. Don’t store leather bands in direct sunlight, at high temperatures, or in high humidity.
For all other bands, buckles, and closures:
Wipe the band clean with a nonabrasive, lint-free cloth. If necessary, lightly dampen the cloth with fresh water.
Dry the band with a nonabrasive, lint-free cloth before you attach it to your Apple Watch.
Tips to avoid skin irritation, or if you have allergies or skin sensitivities
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.
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.
Pick the right Apple Watch and band. If you have known allergies or sensitivities to substances like metals or plastics, check the materials in each Apple Watch and band.
Many third parties make accessory bands for Apple Watch. Such bands may not fit properly, may interfere with the Apple Watch Wrist Detect feature, may contain materials that cause skin sensitivities or other health concerns, and may even damage Apple Watch. For best results, use only Apple branded or Apple authorized bands.
See wearing your Apple Watch for additional safety information.
Apple Watch is manufactured with extreme care and precision, while leveraging state-of-the-art technology to provide the best customer experience. To ensure the watch maintains all functionality and to keep a consistent finish across the enclosure and external components, Apple does not recommend polishing or buffing the watch with abrasives.
Leather usually takes on a patina after normal wear. The leather might also change color due to exposure to substances like perfume, insect repellent, oil, lotion, or dyed materials like denim. The Apple Watch and band colors may vary or fade over time.
Time Machine will delete the oldest backups to make room for new backups.....IF.....the new backups are small 'incremental' files of normal limited size.
But.....and this is a big BUT.....If the Time Capsule is full, and the new backups are much larger than normal, Time Machine cannot delete enough old backups to make room for the new large amount of data.
' I wanted to run a back up yesterday with approximately 8 GB of space left on time capsule, but the back-ups were 32 GB for one mac and 14 GB for the other Mac.'
These are much larger than normal backups, indicating that you have added a lot of new data recently, or updated the operating systems on your Macs.
You have 3 options:
1) Add another new Time Capsule and start backups going there for both Macs.
2) Add a USB drive to your existing Time Capsule and start backups going there for both Macs.
3) Erase the hard drive on the existing Time Capsule and start backups going there for both Macs.
Option 3 is the most economical of course, but the downside here is that you lose your old backups. Another option....more complicated.....would be to copy all of the backups on the existing Time Capsule over to a USB drive using the Archive function in AirPort Utility, and then erase the hard drive on the existing Time Capsule.