Which Band Size Fits my Samsung Watch?

Although Samsung watches come in different shapes and sizes, many of them use the same bandwidth. As long as you have the proper width, you can alternate the bands however you want.

You can use a 20mm width band with:

• Galaxy Watch4 Classic (42mm & 46 mm)
• Galaxy Watch4 (40mm & 44mm)
• Galaxy Watch Active 2 (40mm & 44mm)
• Galaxy Watch Active (40mm) 
• Galaxy Watch (42mm)
• Galaxy Watch3 (41mm)

You can use a 22mm width band with:

• Galaxy Watch3 (45mm)
• Galaxy Watch (46mm)
• Gear S3 Frontier
• Gear S3 Classic

Resources

Samsung website.