Watch Instructions & Size Chart

For downloadable PDF instructions for your 40Nine 3-Hand Watch, Click HERE 
For downloadable PDF instructions
for your 40Nine Chrono Sport watch, Click HERE  
For downloadable PDF instructions
for your 40Nine BASIC watch, Click HERE  
For downloadable PDF instructions
for your 40Nine SOLO watch, Click HERE 

40Nine Watch Size Guide
Click HERE to download a pdf of our 40Nine watch sizes so you know exactly which one to order for yourself!  View at 100% to get the accurate size.
Click HERE to see a 43mm basic watch on wrist size 7.75"-8.25"
Click HERE to see a 35mm basic watch on wrist size 7.75"-8.25"
Click HERE to see a 43mm basic watch on wrist size 6.75"-7.25"
Click HERE to see a 35mm basic watch on wrist size 6.75"-7.25"
Click HERE to see a 43mm basic watch on wrist size 6.00"-6.50"
Click HERE to see a 35mm basic watch on wrist size  6.00"- 6.50"
Battery Replacement:
Please refrain from changing the battery in your 40Nine watch yourself.  You may either bring it to a local reputable jeweler who can properly seal the case back to it's original position after the battery is changed.  You may also send the watch to us for battery replacement:
UWC
Attn: Repairs
5016 Schuster Street
Las Vegas, NV  89118
Please include a note describing the issue you are having with your watch and your return address, as well as your phone number in case we need to reach you.