Toodlepip
27
Traditionally, top five are ...
minute repeater, split second, tourbillion, perpetual calendar and moonphase (presumably because moon phase does not equate to an even number of days).
A "Grand Complication" is usually required to have at least three of these.
Hope this helps.
Toodlepip!
Strictly speaking,
By: tony p : April 7th, 2009-20:46
A tourbillon is not a complication. It is simply a mechanism for improving the functioning of the watch (specifically, ensuring a low level of positional variation in timekeeping). For the same reasons, a constant-force escapement is not a complication. N...
To answer by example...
By: pplater : April 7th, 2009-22:56
Three complications? 1. Whatever complications prevented the mythical Harry Winston Opus 3 from being realised; 2. Whatever complication has prevented the Vyskocil V-30/45-01-A from being produced before now; and 3. Whatever complication it is that has pr...