These come from another source on the web... If you PM me I can supply you with the details..
Y&B
CORE:
Case width not counting buttons (9:00-3:00): 50mm
Case width 12:00-6:00: 50mm
Thickness: 15mm
Crystal Diameter: 42mm
Vector:
Case width not counting buttons (9:00-3:00): 53mm
Case width 12:00-6:00: 61mm
Thickness: 16mm
Crystal Diameter: 35mm
Observer:
Case width not counting buttons (9:00-3:00): 46mm
Case width 12:00-6:00: 48mm (bottom of lug to top of lug)
Case width 12:00-6:00: 40mm (case without lug)
Thickness: 14mm
Crystal Diameter: 30mm
Yachtsman (
X-Lander):
Case width not counting buttons (9:00-3:00): 53mm
Case width 12:00-6:00: 54mm (bottom of lug to top of lug)
Case width 12:00-6:00: 48mm (case without lug)
Thickness: 17mm
Crystal Diameter: 35mm
Kirby