| Number | Name | Date | Kind |
|---|---|---|---|
| 2004814 | Knobel | Jun 1935 | A |
| 2998126 | Jenkins | Aug 1961 | A |
| D208927 | Thomas | Oct 1967 | S |
| D274703 | Vogel | Jul 1984 | S |
| D276314 | Walch | Nov 1984 | S |
| D302137 | Leavitt | Jul 1989 | S |
| D308490 | Ziegler | Jun 1990 | S |
| D309112 | Ziegler | Jul 1990 | S |
| D346965 | Wolff | May 1994 | S |
| D416823 | Turner | Nov 1999 | S |
| D418984 | Koconis | Jan 2000 | S |
| D464271 | Yau | Oct 2002 | S |
| D467818 | Chan | Dec 2002 | S |
| D475985 | Huang | Jun 2003 | S |
| D518300 | Dele-Ogunrinde | Apr 2006 | S |
| D635129 | Kim | Mar 2011 | S |
| D636277 | Starck | Apr 2011 | S |
| D694128 | Liberman | Nov 2013 | S |
| D736112 | Gual Feliu | Aug 2015 | S |
| Entry |
|---|
| Jaeger LeCoultre Mystery Desk Clock | Posted at aspireauctions.com Oct. 2011 [onlin][site visited Apr. 9, 2018]. Available from Internet: <https://www.aspireauctions.com/#!/catalog/310/1308/lot/46197 (Year: 2011). |
| Electric Mystery Clocks | posted at chronometrophilia.com Mar. 2003 [online][site visited Apr. 9, 2018]. Available from Internet: <http://www.chronometrophilia.ch/Electric-clocks/mysterious.htm> (Year: 2003). |