The charging method of Apple Watch is similar to that of a smart phone, except that in the connection part, the charging is induced by magnetic adsorption on the back of Apple Watch, as shown in the following figure.
Apple Watch charging cable Original Apple Watch magnetic charging cable
Brand: Apple Apple
Model: MJVX2CH/A
Accessories type: charger
Applicable products: Apple Watch
Function and use: wireless
The charger of iphone is 5V 1A line charger.
Brand Apple (Apple)
Product Type Line Charging Kit
How to charge? Power adapter
Applicable brand apple
Applicable model iPhone5s/6/6s/se/6Plus
Output voltage 5V
Output current 1A