evilboy Posted February 3, 2007 Report Share Posted February 3, 2007 Interesting article: There are quite a few watches that incorporate a slide rule into the bezel. This provides an excellent way of doing multiplication, division and even square roots. Pilots' watches also feature markings that allow conversions between nautical and statue miles and kilometers, U.S. gallons and litres, fuel pounds to U.S. gallons and Imperial gallons. Read more here... Quote Link to comment Share on other sites More sharing options...
chrono903 Posted February 3, 2007 Report Share Posted February 3, 2007 Interesting article: There are quite a few watches that incorporate a slide rule into the bezel. This provides an excellent way of doing multiplication, division and even square roots. Pilots' watches also feature markings that allow conversions between nautical and statue miles and kilometers, U.S. gallons and litres, fuel pounds to U.S. gallons and Imperial gallons. Read more here... Great link, thanks!! I actually own the Seiko SEH010 Flight Computer toward the bottom of the page. That red led breitling navi sure takes me back to my youth. of course my red led were all texas instrument. Quote Link to comment Share on other sites More sharing options...
JKTOWN Posted February 3, 2007 Report Share Posted February 3, 2007 Interesting article: There are quite a few watches that incorporate a slide rule into the bezel. This provides an excellent way of doing multiplication, division and even square roots. Wish the dealers could source the new Breit Navi's with more accurate slide rule. Some of the older models were spot on and worked well. The newer ones look good but forget about functionality. Just my 2 cents. JKT Quote Link to comment Share on other sites More sharing options...
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