Watch and watch

Related to Watch and watch: watch over, in favor of, errand
(Naut.) the regular alternation in being on watch and off watch of the two watches into which a ship's crew is commonly divided.
- Wharton.

See also: Watch

References in classic literature ?
Once--and it was at night again; for the officers of the Ferndale keeping watch and watch as was customary in those days, had but few occasions for intercourse--once, I say, the thick Mr.
We were to take watch and watch about, however, and the other might sleep if he could; it was not my fault that I did nothing else; it was Raffles who could trust nobody but himself.
We pumped watch and watch, for dear life; and it seemed to last for months, for years, for all eternity, as though we had been dead and gone to a hell for sailors.