Reliability of Seagull in Cartier Tank with seconds @6

[Langirt]

Hi

I was told that this watch probably has a Seagull movement with unmodified seconds at 6 o'clock. Therefore it should be quite reliable, isn't it? Would be nice, if somebody could help me regarding this. TIA

http://www.trustytimezone.com/index.php?main_page=product_info&cPath=21_455&products_id=16049