Longines L888.4 chronometer vs Omega 2500

L888.4
Hi. How does this movement compare with, say Omega 2500d? That movement is great for me, but I'm thinking of trading the Seamaster for a Longines Spirit which is aesthetically more pleasing to me.
Just thinking about it...
Thanks in advance.

Interesting question. I would also like to know the answer. I have an Omega Seamaster I purchased new in 2018 with the 2500D. It’s been outstanding.
I just purchased a Longines 43mm Conquest. I’ve only had it a few days. So far seems great. I called Longines and gave them my serial number to find out which movement it has. I was told it has the L888.5. My understanding is that it’s identical to the L888.4 only without the COSC certification. Which I think means it’s the top grade. It has the silicon balance spring , which the 2500D does not have.
I am also curious as to how they compare

Longines now occupies the same price segment that Omega was in, back when the transition from 1120 to co-axial 2500 was in motion. I remember getting my 2500 caliber Seamaster 2220.80 back in 2011, for less than the sticker price of a Longines spirit.

Given the price, I'd expect the same (if not even higher) level of performance given we've advanced 10 years in watchmaking technology since then. I'm sure it'll be a trusty timekeeping for years and years.

Have you seen the watch in person though? I saw one at a AD recently, and found the applied stars to be too flashy for a pilot watch. It's a lot of bling, depending on the lighting condition! I personally think the applied stars work better with the sunburst blue dial, and would've preferred Longine use non-shiny painted stars (or no stars at all) on the black dial.

I would like to know is L888.4 shock and temp resistan as 8900 is as they both use silicon hairspring? I understand coaxial vs standard escapment but if I understand it correctl resistance to magnetism and shock is from silicon itself, or is it?

I am person that wears one watch for long time and I own Globemaster and Spirit. I like look of the Spirit little more but I feel that I somehow downgrade if I choose Spirit over Globemaster.