| Sharp rival |
| Watch brand |
| Timex rival |
| Sanyo competitor |
| Calculator brand |
| Timex competitor |
| Synthesizer brand |
| Timex alternative |
| Electronics giant |
| Calculator company |
| G-Shock watchmaker |
| Oceanus watchmaker |
| Digital watch maker |
| Electronics company |
| G-Shock watch maker |
| Digital watch brand |
| Japanese watchmaker |
| Big name in watches |
| Digital camera brand |
| Cheap keyboard company |
| Electronic piano maker |
| Vintage keyboard brand |
| Big name in calculators |
| Big name in electronics |
| Maker of durable watches |
| Maker of G-Shock watches |
| Maker of the G-Shock watch |
| Low-cost synthesizer brand |
| Big name in digital watches |
| Japanese electronics company |
| Electronic calculator pioneer |
| Tokyo-based synthesizer maker |
| Tokyo-based electronics giant |
| Maker of watches and keyboards |
| Manufacturer of cheap keyboards |
| Tokyo-based electronics company |
| Maker of watches and calculators |
| Company known for its calculators |
| Maker of the first watch with GPS |
| Pioneer in electronic calculators |
| Maker of keyboards and calculators |
| Japanese maker of watches and calculators |
| Electronics company known for its keyboards |
| Makers of calculators and tiny synthesizers |
| Big name in calculators and digital watches |
| Maker of the first electric compact calculator |