Nightwatch 6152 Crown and Threaded Stem tube

Nightwatch Threaded Stem Tube and Crown:
This Crown and Stem Tube is designed to fit directly into the Nightwatch 6152 Case. The Nightwatch 6152 Case is already threaded, simply screw the Stem Tube into the case.

*If you do not have the Nightwatch case then it can be fitted to some other cases (like the Jackson 127 or 6152 case). If you are using the Jackson Case or other Cases then you will need to drill and thread (tap) your Case (for the Stem Tube).

Part Information

• 316 Stainless Steel 9mm Crown and Bronze Stem Tube
• Stem Tube threaded for a M4.5 x M 0.35 pitch
• Crown has Rubber o'ring (can be made to seal the case - water tight)
• Crown is Spring-Loaded
• Stem Thread sizes are 1.2 (6497) and 1.4 (Angelus 240 cal)

Threading The Case (for those that do NOT have the Nightwatch 6152 Case)

• Drill Case Stem Tube Hole using a M3.7 drill bit (M4.0 is easier but the threads are not quite as deep)
• Use a M4.5 X 0.35 (pitch) Tap. 
• A Stainless Steel Tap is recommended
• The Stem Tube can also be also soldered to the case to make water type (some genuine stem tubes were soldered)