Cut the watermelon into pieces together with the skin.
Put it in jars and fill it with boiled water, let stand for 15 minutes and then drain the water.
Add salt, sugar, pepper and vinegar to each jar by dividing the indicated amount into 2 jars.
Pour boiling water again and roll up the jars. Shake slightly to dissolve the salt and sugar. Banks flip and cover.
Pickled watermelon is ready.