* The benchmark TOCOM rubber contract for December delivery
finished 0.6 yen ($0.0056) lower at 184.5 yen per kg
* The most-active rubber contract on the Shanghai futures exchange for September delivery fell 30 yuan ($4.36) to finish at 10,715 yuan per tonne
* The U.S. dollar was quoted around 107.85 yen, compared with around 107.7 yen on Friday afternoon
* Oil prices rose more than 2% on Monday on concerns that Iran's seizure of a British tanker last week may lead to supply disruptions in the energy-rich Gulf
* Japan's benchmark Nikkei stock average was down 0.23%
* TOCOM's technically specified rubber (TSR) 20 futures contract for January delivery remained unchanged at 153.1 yen per kg
* The front-month rubber contract on Singapore's SICOM exchange for August delivery last traded at 143.2 U.S. cents per kg, up 0.9%