A strap is the bracelet alternative way of keeping a watch in place. Usually leather, it can also be

  • Nylon
  • Rubber or other polymer
  • Alligator ($$$)
  • Carbon fiber
  • Sharkskin
  • Varieties of leather
    • Cordovan (shell leather, see here)
    • Calfskin (personal favorite)
    • Textured to look like alligator, common on less expensive watches

Strap options include:

Here's a picture of a Chines jump-hour, with alligator-textured leather and a double deployant clasp:

More to come on this topic!

Attachments:

strap.jpg (image/jpeg)