Probably an ETA. I believe BM has used mainly ETA until recently 😊 Nothing wrong with that!! I got two vintage BMs that has ETA.
Just open it if you need to know!
The 37mm Elegance Quartz is my grail. I think that Mark sometimes comes of as the high and mighty type, but I'm starting to wander if he's just a bit akward in some situations 🤔
This account is verified. WatchCrunch has confirmed that this account is the authentic presence for this person or brand.