For Apple Watch 1 2 3 : it is not only a strap but also a Bracelet that is unique and eye catcher . Custom Made only for you and your wrist 

Recommend

for Stainless Steel/Aluminium Apple Watch : choose Silver or Sterling Silver 

for Yellow Gold/ Space Gray Apple Watch : choose Yellow Gold Bronze 

for Rose Gold Apple Watch : choose Rose Gold Bronze  

For another Smart Watches :  matching bracelet size 

Custom Made for Any Wrist in 7 workdays 

Wrist chart (4-6,5mm thick for 44mm, 47mm, 52mm case)
(in cm- in inches- Short/long strap)
12,7cm-14cm = 5.0″-5.5″ = 65mm/115mm.
14cm-15,2cm=5.5″-6.0″ = 70mm/120mm.
15,2cm-16,5cm=-6.0″-6.5″ = 75mm/120mm.
16,5cm-17,8cm= 6.5″-7.0″ = 75mm/125mm.
17,8cm-19,05cm=7.0″-7.5″ = 80mm/130mm.
19,05cm-20,32cm=7.5″-8.0″ = 80mm/135mm.
20,03cm-21,59cm=8.0″-8.5″ = 85mm/140mm.
21,59cm-22,86cm=8.6 – 9.0″ = 85mm/145mm.
22,86cm-24,13cm=9.0 – 9.5″ = 90mm/150mm.
24.14cm-25.4cm=9.0 – 9.5″ = 90mm/155mm.

Notice: 
*) buckle is included ; with a pair/2pcs Adapters (Steel/Alu-/Rose Gold/ Yellow Gold or Space Gray Color ) of 42mm or 38mm + => we will built in a set for you What you have to do is: Remove the old strap, slide in the new strap from us
NOTICE
*) No watch will be included .

Please feel free to contact me if you have any further questions or concerns.