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TweetEmailCasio is well known for combining digital watches with all kinds of gadgetry:calculators, remote controls, cameras, GPS devices, MP3 players, and now, accordingto the Department of Homeland Security, bomb detonators.MSNBC is reporting that the DHS and the FBI issued a warning to the TransportationSecurity Administration today stating that al-Qaida may attempt to use watches withcigarette lighters or Casio watches with built-in altimeters to detonate bombs onboard US airliners."Recent intelligence suggests al-Qaida has expressed interest in obtainingwristwatches with a hidden butane-lighter function and Casio watches with analtimeter function. Casio watches have been extensively used by al-Qaida andassociated organizations as timers for improvised explosive devices. The Casiobrand is likely chosen due to its worldwide availability and inexpensive price."Watches with built-in cigarette lighters and Casio Pathfinders and ProTreks arenot banned from planes, so they cannot be confiscated, however screeners have beentold to watch for these suspicious watches so that the passengers attached to themcan undergo additional screening. If you're a Casio fan, I therefore recommend goingwith a nice G-Shock or Edifice during your next flight.What I can't figure out is how you could possibly use the altimeter built intoa Casio watch as an accurate timing device. Casio Pathfinder and ProTrek altimetersare barometric altimeters which means they attempt to calculate your altitude basedon atmospheric pressure. Airplane cabins are pressurized, so barometric altimeterscannot be used to measure a plane's altitude. Additionally, I have not found barometricaltimeters built into watches to be particularly accurate. In fact, I've known themto be downright erratic upon occasion. It's one thing to use one to climb a hill,but it's something else entirely to attach a bomb to one.Update:Thanks to Greg Blonder for pointing out to me that although airplane cabins are pressurized, the FAA apparently permits planes to depressurize during flight to the equivalent of 7,000 feet which definitely could trigger an altitude alarm on a watch. Thanks for the info, Greg. I'm flying from Washington DC to California next week, and I have a brand new titanium Casio ProTrek sitting right here on my desk which I could use to test this theory, however something tells me I should just take Greg's word for it.Ok, that's enough of this morbid subject. Let's move on!

Sudoku watch by Oris has become a true gift to watch connoisseurs and collectors. The watch replenishes the unique limited series of mechanical watches Oris Leonhard Euler, created in honor of 300-years anniversary of well-known mathematician Leonard Euler.The Sudoku line is 1707 copies limited. Each watch has individual number which corresponds to Eulera?? year of a birth. On a back cover of the case Eulera??s portrait is engraved. The square case reminds of the Latin squares opened by it, a puzzle owing to which sudoku game appeared. For this reason the dial of watch is executed in sudoku style - so popular digital puzzle. The image finishes with an elegant leather strap.The watch is in stainless case and has an automatic mechanism, which is concealed under a black dial of sudoku style. Graceful arrows, carefully protected by sapphire glass with an internal clarifying covering, make this watch look smart and really elegant.