Now it was an ancient river custom for the two pilots to chat a bit when the watch changed.

I've seen the watches change nearly a thousand times, heard the hours called.

The watch was changing, as it did every six hours.

The watch changed, and the night crew came on duty.

The watch was just changing, but the outgoing crew showed no signs of dispersing to their homes.

She was aware of movement about her as the watch changed; she even considered asking to take a turn, but let the thought pass.

"Well stagger the watches, change the second man in mid-watch."

The watch had changed, breakfast was over, and the Friendship's corridors were relatively empty.

The watch had just changed and she had come onto the bridge to start her shift.

No matter what, thought Riker, they had to get back to the Enterprise before the watch changed.