2 tablespoons rice vinegar
1 1/2 tablespoons olive oil
2 teaspoons minced peeled fresh ginger
1 1/2 teaspoons grated lime peel
1 garlic clove, minced
2 cups 1/2-inch pieces peeled seedless watermelon
1 large bunch watercress, thick stems trimmed (about 2 cups packed)
4 green onions, thinly sliced diagonally
1/4 cup chopped fresh cilantro
Whisk vinegar, oil, ginger, lime peel, and garlic in large bowl to blend.
Season to taste with salt and pepper.
Add watermelon and all remaining ingredients to bowl with dressing and toss to coat.
Divide salad among 4 plates and serve.