...but finally Belmont watches states this:
Dated: 2024
Limited: 199 Pieces Made
Strap: Black elastic textile single-piece strap with “hook” buckle in die-cast steel
Case Size: 40mm x 11mm thickness
Lug Width: 20mm
Case Metal: Two-part die-cast 316L steel case
But I'd measure it if I were you.
Edit: oops! That's Variant B. Sorry.