| Answer | Crossword Clue |
|---|---|
| BREGUET | Type of watch spring |
| watchspring | the spring of a watch |
| watchsprings | WATCHSPRING, the spring of a watch |
| mainspring | the chief spring in a mechanism esp of a watch or clock |
| mainsprings | MAINSPRING, the chief spring in a mechanism esp of a watch or clock |
| hairsprings | A slender flat coiled spring regulating the movement of the balance wheel in a watch |
| hairspring | A slender flat coiled spring regulating the movement of the balance wheel in a watch |
