The grading system


Case
Dial/Hands
Movement


1 as new
2 very good
3 good
4 slightly scratched
5 scratched
6 a dent
7 dents
8 slightly oxydized
9 oxydized
10 slightly worn
11 worn
12 very worn
13 damaged
14 slightly repaired
15 repaired
16 small restaurations
17 restaurations
18 alterations
19 additions
20 lacking elements
21 not original
22 later custom made
23 slightly worn
24 worn
25 very worn
26 later original crown
27 later crown
28 re-gilt
29 partly re-gilt
30 to be restored
31 hairline
32 hairlines
33 slightly chipped
34 chipped
35 pearl missing
36 pearls missing
37 jewel/stone missing
38 jewels/stones missing
39 slightly damaged
40 slightly damaged


Case


41 refinished
42 custom made
43 later original
44 later
45 some parts replaced
46 later escapement
47 later balance
48 re-built
49 new rhodium-plating
50 broken balance-staff
51 cleaning recommended


Dial/Hands


41 refinished
42 custom made
43 later original
44 later
45 some parts replaced
46 later escapement
47 later balance
48 to be cleaned
49 hands later original
50 hands later
51 hands part. replaced

Movement


41 capable of running
42 custom made
43 later original
44 later
45 some parts replaced
46 later escapement
47 later balance
48 re-built
49 new rhodium-plating
50 broken balance-staff
51 cleaning recommended