Breaking:  Cathode Corner Nixie watch for sale on eBay.  Starting bid at $305 + shipping from Canada.  These originally sold for just short of $400 so this looks like a pretty good deal. The photo is of the actual item in auction.  More information is available below from the link to Cathode Corner.

Besides, the Woz has one.  That instantly makes it cool.

From the auction:

This cool limited edition Nixie tube watch can be yours.

Leather band
Screwdriver
Spare grommet seal
Programming manual/instructions

This Nixie Watch displays the time on nixie tubes, which are quaint neon display tubes once used in calculators in the dawn of recorded history (1969). It is a two-digit wristwatch designed for everyday use, being water-resistant and rugged.

The watch requires no button pushing to operate - it shows the hours, minutes and seconds in sequence at the flick of the wrist.
This item is in excellent 9.9/10 condition and was worn twice!. Manufactured by Cathode Corner.

Shipping is $17 to USA and $14 to Canada. $21 to EC.

Links:

• More watch info (Cathode Corner)
• eBay Auction