Oh wise and wondrous watch gurus.... I have a Timex T49878: https://www.amazon.ca/Timex-T49878-Expedition-Military-Field/dp/B006KY5V0O  It has sentimental value and I am trying to get it working again. Specs: Caliber: M905 Linge Size: 13½ Thickness (MM): 3.65mm Hand Size: 120/70/20 Stem: 401-2017 Cell/Battery/Power Source: 2016 Tap Size: 10 Includes: Protective Case, Stem, and Power source. Other Information: INDIGLO I managed to find a new stem (401-2017