hublot full ceramic quartz chrono

[hontwatch]

size : 44mm
case:full ceramic case+ steel caseback
buckle: steel DP buckle
water proof : 5ATM
colour : white/black
movt : japan quartz working chrono
price: 120usd

more pictures:

http://s918.photobucket.com/albums/ad28/hontwatch2010/HUBLOT/BIG BANG FULL CERAMIC QUARTZ/

 

[deloreandmc]

why is it that when full ceramic case on these are only about $30 more where as full ceramic cases on one with a 7750 cost about $150 more?