I'm not really sure who put the slide rule on a watch bezel but there are sources which states that Breitling is the first watchmaker that put slide rule on a watch back in 1952. But the slide rule on an aviation watch is not just meant for normal mathematical calculations. BREITLING B1 MANUAL PDF - Breitling Watch Manuals and Slide Rule Instructions available for Download. Breitling Watch User Manuals. Downloadable B-1 English Manual . I just bought A bit more difficult seems to be finding the correct manuals. Specifically the, Navitimer Manual, the Slide Rule Instructions, the Slide Rule practice wheel and the Service Book. Also tricky are getting the little sub boxes used to contain the papers. Any ideas how to get hold of these, and in particular the right ones for the year of watch? Breitling Watch Manuals and Slide Rule Instructions available for Download. Airwolf Raven Manual [download]; B-1 English Manual [download]; Chronospace . Professional Series - Airwolf Raven The new Airwolf Raven incorporates a new Rubber Bezel and Rubber inserts on the User Manual, Download. Many pilot's watches made make use of a circular slide rule on the bezel of the watch. These were used by pilots to do simple arithmetic, conversions and other calculations in an era before GPS and calculators. Old pilot's watches feature these slide rules, and any newer pilot-style watches also have this BREITLING B1 MANUAL PDF - Breitling Watch Manuals and Slide Rule Instructions available for Download. Breitling Watch User Manuals. Downloadable B-1 English Manual . I just bought BREITLING NAVITIMER WORLD SETTING iNSTRUCTIONS. Skip navigation Breitling Navitimer World: Slide Rule How-To & Luxury Watch Review Breitling Navitimer World 46MM WATCH REVIEW AND Breitling knows that most people don't know how to use a slide rule bezel - even many pilots. They have a dedicated slide rule tutorial on their website for those eager to learn about this semi I'm serious. It's one of the secret rules and it used to be a difficult one to fulfill. Vintage slide rules are difficult to come by and can require a bit of an investment. Seeing a slide rule in modern production is a welcome sight and the price (under 20USD+shipping) at time of writing, is certainly welcome. ThinkGeek did a pretty good job here. The Breitling Chronomat manual and some links. The Breitling Chronomat is unique for the circular slide rule. Mine is a bit scratched so here's a nicer photo from Chronomat history as well as this delightfully enthusiastic description: The Breitling Chronomat with its rotating slide-rule was patented in 1941 as war raged through Europe and other parts of the world, its design offering a Seiko Prospex 23-Jewel, Automatic with Rotating Slide Rule Bezel #SRPB57J1 This made-in-Japan watch is part of the Seiko Sky collection. It is powered by a Seiko 4R35, 23-jewel self-winding automatic movement with hand winding and hacking (seconds hand stops when you pull out the crown). Professional Series - Airwolf Raven The new Airwolf Raven incorporates a new Rubber Bezel and Rubber inserts on the User Manual, Download. Highlights In excellent condition, this Airwolf Raven is supplied with the original Breitling boxes, instruction manual, slide rule instructions. Professional Series - Airwolf Raven The new Airwolf Raven incorporates a new Rubber Bezel and Rubber inserts on the User Manual, Download. Highlights In excellent condition, this Airwolf Raven is supplied with the original Breitli