WW2 Hanhart single pusher Cal.40 wristwatch No. 105XXX - full restoration:
Restoration of this watch was quite a challenge - as you can see the pusher tube was severely damaged and needed to be replaced.
There were many parts that were either completely missing or worn out.
I have detailed below the work that was done.
Before Restoration
After Restoration
Movement restoration:
- Complete strip down to each individual part followed by cleaning and inspection.
- Broken hammer stud drilled out and plate thread restored.
- Balance assembly and hairspring - replacement staff manufactured & fitted. H/S spring reshaped.
- Balance bridge – broken H/S securing stud screw drilled out and bridge thread restored.
- Movement rebuilt and following replacement parts supplied and fitted
- Hammer stud (broken)
- Hairspring securing stud (broken)
- Mainspring (worn)
- Chronograph hammer assembly (missing)
- Chronograph sliding gear assembly (missing)
- Chronograph pillar wheel indexing spring (broken)
- Chronograph 5 spoke driving wheel (worn)
- Chronograph coupling clutch assembly (worn)
- Crown wheel and centre core (worn)
- Clutch wheel & winding pinion (worn)
- Setting lever & set screw (broken)
- Movement lubricated.
Case restoration:
- Pusher tube drilled out – replacement case tube manufactured, plated and fitted (original damaged)
- Complete pusher assembly comprising pusher cap, seal, washer, screw, spring and tube supplied and fitted (original assembly worn / missing)
- Crown (non-original type was fitted)
- Winding stem (original stem was cut short to suit non-original crown)
- Plexi-glass (NOS original glass fitted)
- Case cleaned
- Movement to case clamps – replacement clamps and screws supplied and fitted (original clamps missing and wrong screws fitted)
- Rotating bezel assembly removed, cleaned & lubricated
Watch re-assembled:
- Dial cleaned
- Hour & minute hands lume stabilised
- Replacement sweep secs hand supplied & fitted (wrong type was fitted)
- Replacement sub-dial hands supplied & fitted (missing)
- Case cleaned
- Custom brown leather strap supplied and rivet fitted (missing)
- Watch set to work
- Watch tested and adjusted for time keeping and chronograph operation (best achievable)
- A full photographic record was taken of the restoration
Please contact me should you have a project that you would like to discuss.