Related Clues:

• One of four on board, perhaps
• May be like this
• Seems one of your boys is a sailor
• May be one of them
• One of your four boys is a sailor, it seems
• The twelfth start for 12 across
• One of the four of your sailor-boys
• That sailor-boy is one of four
• Sound of an undersea buoy for a time
• May be one
• Of the four such, this one is the sailor
• One of a crew of four
• Perhaps a sailor boy - one of four
• May June follow it for so long?
• Time to see your boy, by the sound of it