18mm:

• ASUS Zen Watch 21.45" , 
• HUAWEI Watch,
• WITHINGS Activite POP/Steel/Sapphire
• Fossil Q 
• Tailor. 

20mm: 

• Huawei Watch 2, 
• Huawei Watch GT2 42mm
• Samsung Galaxy Watch 3 41mm
• Samsung Galaxy Watch 42mm
• Samsung Galaxy Watch Active 40mm
• Samsung Galaxy Watch Active 2 40mm
• Samsung Galaxy Watch Active 2 44mm,
• Samsung S2 Classic
• Samsung Gear Sport
• Fossil Q Gazer
• Pebble Time Round Large 20mm
• Moto 360 2nd Gen Men's 42mm
• TicWatch 2. 

22mm: 

• Huawei Watch GT
• Huawei Watch GT2 46mm
• Samsung Galaxy Watch 3 45mm
• Samsung Galaxy Watch 46mm
• Samsung Gear S3 Classic
• Samsung Gear S3 Frontier
• Pebble Time and Pebble Time Steel
• Pebble watch, Pebble 2 watch
• Moto 360 2nd Gen 46mm
•  ASUS Zen Watch 2 1.63"
• Fossil Gen 5 Carlyle/Julianna
• Fossil Men's Gen 5E 44mm
• Fossil Q Marshal
• Wander
• Founder Gen 2 / Q Explorist Gen 3 / Q Explorist HR Gen 4
• Grant
• Commuter
• Sport 43mm 

Package Included:

• 1 x Milanese Loop wrist band (Watch not included)
• 2 x quick release spring pins