First watch, 1 bell, 12:30 o'clock; 2 bells, 1:00; 3 bells, 1:30; 4 bells, 2:00; 5 bells, 2:30; 6 bells, 3:00; 7 bells, 3:30; 8 bells, 4:00.

Second Watch, 1 bell, 4:30; 2 bells, 5:00; 3 bells, 5:30; 4 bells, 6:00; 5 bells, G:30; 6 bells, 7:00; 7 bells, 7:30; 8 bells, 8:00.

Third watch, 1 bell, 8:30; 2 bells, 9:00; 3 bells, 9:30; 4 bells, 10:00; 5 bells, 10:30; 6 bells, 11:00; 7 bells, 11:30; 8 bells, 12:00.

A watch is that part of the officers and crew of a vessel who together attend to working her for an allotted time.