Central nut for JUNGHANS movement quartz 838 and pendulum 817

Central nut for UTS/JUNGHANS movement quartz 800 and pendulum 802

Central nut for UTS/Junghans movements with lengths of 5 - 21 mm.
With the screw length, the whole screw is measured without the screw head.

• Internal diameter -> approx. 8 mm
• Internal diameter at the thread -> approx. 6 mm

Length 5 mm -> 800.053 and 817JG.053
Length 7 mm -> 800.054 and 817JG.054
Length 9 mm -> 800.055 and 817JG.055
Length 13 mm -> 800.056 and 817JG.056
Length 21 mm -> 800.057 and 817JG.057