The Clockmaker is the final supplies building unlocked in the Colonial Age. Although amounts of production per square increase as you move along the research tree, the Clockmaker gives you less per square than Tobacco Plantations, making it worse. However, they require much less population than Tobacco Plantations, so if you are running low on population, Clockmakers are a lot better.
Production
| Number of Supplies | Time |
Efficiency (production per hour) |
|---|---|---|
| 60 | 5 m | 720 |
| 160 | 15 m | 640 |
| 320 | 1 h | 320 |
| 540 | 4 h | 135 |
| 810 | 8 h | 101 |
| 1,620 | 1 d | 68 |