1 oz. Soda Water - (more)
1/2 oz. Dark Rum - (more)
1/2 oz. Lime Juice - (more)
1/4 oz. Cognac - (more)
1/4 oz. Dry Vermouth - (more)
1/4 oz. Gin - (more)
Shake with ice cubes and strain into a large cocktail glass. Garnish with a lime wheel.