1. Calibre11

    Calibre11 Editor of Calibre11.com Staff Member Sep 4, 2016

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    A great post over at TZ-UK which makes the point that the when we talk about the differences in size between say a 36mm watch and a 39mm watch, we often underestimate the size difference. Simple maths would say that the 39mm watch is 9.2% bigger than the 36mm..but that's not really the case.

    At the back of your head, you'll remember that the area of a circle (or dial) is πr^2, so the difference in area between a 36mm dial and a 39mm is actually 17%. The table below from the TZ-UK post shows the percent larger or smaller different watch diameters are from the base 36mm (Carrera Re-edition)

    Diameter Area Percentage
    32 ........... 804 ......... -21%
    34 .......... 908 ......... -11%
    36 ......... 1018 ......... 0%
    39 ......... 1195 ......... 17%
    40 ......... 1257 ......... 23%
    42 ......... 1386 ......... 36%
    43 .........1452 ......... 43%
    45 ......... 1591 ......... 56%
    50 ......... 1964 ......... 93%

    Thought that was a good reminder that size matters!
     
  2. elbeik

    elbeik Sep 4, 2016

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    I'm sporting my SpaceX, a 43mm all-dial watch, way beyond the 41mm sweet spot of my small wrist.
    That's an extra 20% in size, and it shows!
     
  3. Aquagraph

    Aquagraph Sep 7, 2016

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    Size is a funny thing, my Aquagraph always used to look huge and now I have the Heuer 01 it looks normal...