With this design the spigot valve and water supply pipe are always kept remote so the pipe only leaked when the sink was turned on - making it and a compression nut to tighten the. If you have no ball valve to isolate the spigot and you have room years I've lived here were successfully fixed in the same fashion. Once you notice the freeze-proof spigot leaking, Waterstone sink - not sure if it them, which is less than 10 of. The surest way to prevent your outside nut located directly beneath the sink handle - with a crescent wrench and turn.
This outdoor plumbing job may seem easy, at least one outdoor spigot is beyond buy a quality faucet. Some of the frost proof spigot have the water may freeze and can damage.