Both use the same grade of Spring Drive. 5R66 (GMT) vs 5R65
Both use Titanium construction.
The SNR029 LX is 300M without complications - much higher priced at USD6100+ and has less functionality but wears smaller.
The SBDB011 has a 600M GMT with a lower price point at USD4000-4250.
What makes the SNR029 so much more expensive? It can't just boil down to case design.
Which would you choose and why?