This link was updated with bracelet reference numbers:
Omega Planet Ocean Model Differences Compared
Also, we currently have a 45.5mm
232.30.46.21.01.001 (same watch but the "001" means black bezel/silver markers instead of "003" which would be black bezel/orange markers). The bracelet on this watch is reference
1590/867 as mentioned in the link above.
Here are some photos of the bracelet/clasp on this watch that might help: