Video and Instruction

Adjusting the clasp on your 42.
We recommend taking your 42 to a jeweler. However with a little skill you can manage sizing at home. Be sure you have the right tools!
Setting the time and date on your new Monterey. 
Using the micro-adjust to fine-tune your bracelet on your Gen 1 timepiece.
Adjusting the micro-adjustment on your 42
How to properly wear and thread a MILTAC strap
There are several ways to rock a military/tactical fabric strap (MILTAC/NATO.) Here's a quick tutorial. Always tuck in! Buckle side above the 12!
Setting the GMT time with an NH34 movement