… and some notable differences. The YG was produced in the year of introduction, 2005. The lugs, the middle case are different (slimmer) than the WG, which was produced in 2018.
… the complete calendar builds on the 1150 caliber, which looks very small in the 43mm case. The standard model features caliber 1315 which a better fit and offers a superior performance. The choice between titanium and black ceramic is really down to your aesthetic preference. Cheers Henrik