Old Siam, Sir by Wings first appeared on the Israeli foreign-music chart on 9 Jul 1979, entering at #20. It peaked at #4 on 13 Aug 1979. In total it spent 12 weeks on the chart, last charting on 24 Sep 1979.
| Wk | Date | Pos |
|---|---|---|
| 1 | 9 Jul 1979 | 20 |
| 2 | 16 Jul 1979 | 15 |
| 3 | 23 Jul 1979 | 9 |
| 4 | 30 Jul 1979 | 7 |
| 5 | 6 Aug 1979 | 5 |
| 6 | 13 Aug 1979 | 4 |
| 7 | 20 Aug 1979 | 4 |
| 8 | 27 Aug 1979 | 10 |
| 9 | 3 Sep 1979 | 19 |
| 10 | 10 Sep 1979 | 24 |
| 11 | 17 Sep 1979 | 34 |
| 12 | 24 Sep 1979 | 40 |