The GMT6

From B.R.M.

Courtesy of B.R.M.

What is great about B.R.M. is that they aren't afraid to set their own trends, not to worry about following others.  

This is their latest, the GMT6 

Courtesy of B.R.M.

The flags on the bezel act as time zone markers.  Simply align the flag of the country where you are at present, and you'll be able to align the other timezones accordingly.  Pretty straightforward.  

Here are the pertinents, straight from the source -

WATCH SPECIFICATIONS

Case: titanium grade 1 case with black PVD coating, diameter 46 mm, water resistant up to 100 meters, sapphire glass with UV-cured inkjet printed world map. Crowns and lugs in Acinox stainless steel. Screw-down crown.

Bezel: rotating stainless steel mounted on ceramic ball bearings, digital inkjet printed flags under sapphire glass, 24 time zone numbers engraved on the rim.

Dial: UV-cured inkjet printed continent outlines, super light openwork hands with Superluminova tips.

Movement: Automatic 2824/2, 28,800 alterations per hour, 25 ruby bearings, 38-hour power reserve indicator.

Functions: hours, minutes, seconds, 24 time zones, date.

Strap: perforated black or beige nubuck with double stitching, stainless steel tongue and half buckle.