AVI-8
AVI-8 has 7 watches in the database across 4 model families. Lug-to-lug runs from 46 mm to 56 mm, with a median of 50 mm, alongside case diameters of 37.8 mm to 42 mm and thickness of 11 mm to 15 mm.
86% of them sit in the balanced range on a 6.5-inch wrist.
The most documented family is Bell X-1 Glamorous Glennis (4).