When Savage goes upstairs to see Ann, the clock on the wall says it's 1:15. A short time later the doctor goes upstairs and the same clock displays 10:10.
(1.10), when the two women officers enter the train station they are wearing Women's Royal Auxillary Air Force (WAAF) cap badges on their caps, with eagles, although wearing the uniforms of naval lieutenants. Later, beside the train, when saying their goodbyes, they are wearing proper Women's Royal Naval Service (WRNS) cap badges, with anchors.