Omega x Swatch
Omega x Swatch has 4 watches in the database across 3 model families. Lug-to-lug runs from 47.3 mm to 47.3 mm, with a median of 47.3 mm, alongside case diameters of 42 mm and thickness of 13.8 mm.
100% of them sit in the balanced range on a 6.5-inch wrist.
The most documented family is MoonSwatch Mission to the Moonphase (2).