The duration of The Viking Watch of the Danish Seaman is 1.75 hours.
The Viking Watch of the Danish Seaman was created in 1948.
An Able Seaman is an experienced seaman in the upperdeck department who assists the officer on watch, steers the ship and keeps gangway watch; one grade higher than the beginning grade of ordinary seaman; AB for short; AB was used apparently instead of AS to avoid confusion with OS which stands for ordinary seaman
http://www.boatsafe.com/nauticalknowhow/shipbee.htm
The duration of Third Watch is 2640.0 seconds.
The duration of Watch on the Rhine is 1.9 hours.
The duration of Watch My Chops is 1380.0 seconds.
The duration of Watch with Mother is 900.0 seconds.
The duration of Market Watch is 2 hours.
The duration of Watch This Space is 1800.0 seconds.
The duration of Watch Over Me is 2700.0 seconds.
The duration of Watch - film - is 1.1 hours.
The duration of Freedom Watch is 3600.0 seconds.