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Illinois Watch Co.
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Illinois 16s Bunn Special Variants
The following charts describe the 8 distinctive plate patterns and 52 known variants of the 16s Bunn Special produced by the Illinois Watch Company. Most variants are classified by model, jewel count, damaskeening pattern, and specific markings on each plate. Many variants are differentiated by very subtle changes in markings or placement, and a keen eye for detail is crucial for proper identification.
16-Size Bunn Special Damaskeening Patterns
Pattern Code | Name | Production Notes | |
---|---|---|---|
![]() Image Credit: Jones & Horan |
P1 | Bright-Spotted | Estimated Production: 1,310 |
![]() Image Credit: Jones & Horan |
P2 | Fishscale | Estimated Production: 2,920 |
![]() Image Credit: Jones & Horan |
P3 | Sunburst | 17j/19j Bunn Models Only |
![]() Image Credit: Jones & Horan |
P4 | Rayed | Estimated Production: 309,550-310,470 |
![]() Image Credit: Jones & Horan |
P5 | Interrupted Ray | Estimated Production: 17,400-17,600 Introduced Early 1932 |
P6 | All-Over Gold Rayed | Estimated Production: 50-100 | |
![]() Image Credit: Bill Meggers |
P7 | Pinwheel | Estimated Production: 40-60 |
P8 | Sunburst/Rayed Hybrid | Extremely Rare, Only 1 Known Example |
16-Size Bunn Special Variants
Variant | Jewels | Model | Pattern/Finish | Train | Barrel | Balance | Pillar | Index Style | Note | Production | |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | M9-P1-21J-v1 | 21 | 9 | Bright-Spotted Black Inlay |
21 Jewels Adjusted Temperature Six Positions |
D'bl Roller | Checkerboard With Border | 680 | |||
2 | M9-P1-21J-v2 | 21 | 9 | Bright-Spotted Black Inlay |
21 Jewels Adjusted Temperature Six Positions |
Double Roller | Checkerboard With Border | 120* | |||
3 | M9-P1-23J-v1 | 23 | 9 | Bright-Spotted Gilt Inlay |
Jeweled Barrel 21 Jewels Adjusted Temperature Six Positions |
D'bl Roller | Checkerboard With Border | 200 | |||
4 | M9-P1-23J-v2 | 23 | 9 | Bright-Spotted Gilt Inlay |
Jeweled Barrel 21 Jewels Adjusted Temperature Six Positions |
Double Roller | Checkerboard With Border | 300 | |||
5 | M8-P2-21J | 21 | 8 | Fishscale Black Inlay |
21 Jewels Adjusted Temp.& Six Pos'ns |
Double Roller | Checkerboard With Border | 100 | |||
6 | M8-P2-23J | 23 | 8 | Fishscale Gilt Inlay |
23 Jewels Jeweld Barrel Adjusted Temp.& Six Pos'ns |
Double Roller | Checkerboard With Border | 100 | |||
7 | M9-P2-21J-v1 | 21 | 9 | Fishscale Black Inlay |
21 Jewels Adjusted Temperature Six Positions |
Double Roller | Checkerboard With Border | Balance Screws Down | 600 | ||
8 | M9-P2-21J-v2 | 21 | 9 | Fishscale Black Inlay |
21 Jewels Adjusted Temperature Six Positions |
Double Roller | Checkerboard With Border | Balance Screws Up | 1,800* | ||
9 | M9-P2-23J | 23 | 9 | Fishscale Gilt Inlay |
Jeweled Barrel 23 Jewels Adjusted Temperature Six Positions |
Double Roller | Checkerboard With Border | 320* | |||
10 | M8-P4-21J-vA | 21 | 8 | Rayed Black Inlay |
21 Jewels Adjusted Temp.& Six Pos'ns |
Double Roller | Checkerboard With Border | 200 | |||
11 | M8-P4-21J-vB | 21 | 8 | Rayed Black Inlay |
21 Jewels Adj. Temp.& 6 Pos'ns |
Double Roller | Checkerboard With Border | 100 | |||
12 | M8-P4-21J-vC | 21 | 8 | Rayed Black Inlay |
21 Jewels Adj. Temp.&6 Pos'ns |
Double Roller | Checkerboard With Border | 650 | |||
13 | M8-P4-21J-vD | 21 | 8 | Rayed Black Inlay |
21 Jewels Adj. Temp.&6 Pos'ns |
Double Roller | Slanted Without Border | 700 | |||
14 | M8-P4-23J-v1 | 23 | 8 | Rayed Gilt Inlay |
23 Jewels Jeweled Barrel Adjusted Temp.& Six Pos'ns |
Double Roller | Checkerboard With Border | 50 | |||
15 | M8-P4-23J-v2 | 23 | 8 | Rayed Red Inlay |
23 Jewels Jeweled Barrel Adjusted Temp.& Six Pos'ns |
Double Roller | Checkerboard With Border | 100-120* | |||
16 | M9-P4-21J-vA | 21 | 9 | Rayed Black Inlay |
21 Jewels Adjusted Temperature Six Positions |
Double Roller | Checkerboard With Border | 7,090 | |||
17 | M9-P4-21J-vB | 21 | 9 | Rayed Black Inlay |
21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Checkerboard With Border | 103,100 | |||
18 | M9-P4-21J-vC | 21 | 9 | Rayed Black Inlay |
21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted With Border | 32,950* | |||
19 | M9-P4-21J-vD | 21 | 9 | Rayed Black Inlay |
21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 18,450* | |||
20 | M9-P4-23J-v1 | 23 | 9 | Rayed Gilt Inlay |
Jeweled Barrel 23 Jewels Adjusted Temperature Six Positions |
Double Roller | Checkerboard With Border | 2,100-2,160* | |||
21 | M9-P4-23J-v2 | 23 | 9 | Rayed Red Inlay |
Jeweled Barrel 23 Jewels Adjusted Temperature Six Positions |
Double Roller | Checkerboard With Border | 1,700-1,730* | |||
22 | M9-P4-21J-vDE | 21 | 9 | Rayed Black Inlay |
21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Checkerboard With Border | Delong Escapement | 30-40* | ||
23 | M9-P6-21J | 21 | 9 | Rayed All-Over Gold Black Inlay |
21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Checkerboard With Border | 50-100* | |||
24 | M9-P7-21J | 21 | 9 | Pinwheel Black Inlay |
21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Checkerboard With Border | 40-60* | |||
25 | M11-P4-23J-vA | 23 | 11 | Rayed Red Inlay |
Motor Barrel 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Checkerboard With Border | Counter-Sunk Barrel Cap Gold Setting |
6,600* | ||
26 | M11-P4-23J-vB | 23 | 11 | Rayed Red Inlay |
Motor Barrel 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Checkerboard With Border | No Counter-Sunk Barrel Cap No Gold Setting |
6,100* | ||
27 | M11-P4-23J-vC | 23 | 11 | Rayed Red Inlay |
Motor Barrel 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted With Border | 200* | |||
28 | M11-P4-23J-vD | 23 | 11 | Rayed Red Inlay |
Motor Barrel 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 300* | |||
29 | M11-P1-23J | 23 | 11 | Bright-Spotted |
Motor Barrel 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Checkerboard With Border | 10* | |||
30 | M11-P8-23J | 23 | 11 | Sunburst/Rayed Hybrid |
Motor Barrel 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Checkerboard With Border | <5* | |||
31 | M12-P4-23J | 23 | 12 | Rayed Red Inlay |
Motor Barrel 23 Jewels Adj Temp.&6 Pos'ns |
Double Roller | Checkerboard With Border | 300 | |||
32 | M14-P4-21J-TypeI | 21 | 14 | Rayed Black Inlay |
Motor Barrel 60 21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 6,400* | |||
33 | M14-P4-21J-TypeII | 21 | 14 | Rayed Black Inlay |
Sixty Hour | Motor Barrel 60 21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 6,700* | ||
34 | M14-P4-21J-TypeIII | 21 | 14 | Rayed Black Inlay |
Sixty Hour | Motor Barrel 21 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 89,800* | ||
35 | M14-P4-23J-TypeI | 23 | 14 | Rayed Red Inlay |
Motor Barrel 60 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 950* | |||
36 | M14-P4-23J-TypeII | 23 | 14 | Rayed Red Inlay |
Sixty Hour | Motor Barrel 60 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 450-650 | ||
37 | M14-P4-23J-TypeIII | 23 | 14 | Rayed Red Inlay |
Sixty Hour | Motor Barrel 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 11,190* | ||
38 | M15-P4-21J-TypeIIIE | 21 | 15 | Rayed Black Inlay |
Sixty Hour | Motor Barrel 21 Jewels Adjusted Temp. And Six Positions |
Elinvar | Double Roller | Slanted Without Border | 20-30* | |
39 | M14-P4-21J-161-TypeI | 21 | 14 | Rayed Black Inlay |
Sixty Hour | Motor Barrel 21 Jewels 161 Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 350-500 | ||
40 | M15-P4-21J-161-TypeIE | 21 | 15 | Rayed Black Inlay |
Sixty Hour | Motor Barrel 21 Jewels 161 Adjusted Temp. And Six Positions |
Elinvar | Double Roller | Slanted Without Border | 10-50* | |
41 | M14-P4-21J-161-TypeII | 21 | 14 | Rayed Black Inlay |
21 Jewels | Motor Barrel Sixty Hour 161 Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 3,500-3,600 | ||
42 | M15-P4-21J-161-TypeIIE | 21 | 15 | Rayed Black Inlay |
21 Jewels | Motor Barrel Sixty Hour 161 Adjusted Temp. And Six Positions |
Elinvar | Double Roller | Slanted Without Border | 3,350-3,550* | |
43 | M15-P5-21J-161A-TypeIIB | 21 | 15 | Interrupted Ray Black Inlay |
Elinvar 21 Jewels |
Motor Barrel Sixty Hour 161A Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 5,300-5,400 | ||
44 | M15-P5-21J-161A-TypeIIP | 21 | 15 | Interrupted Ray Black Inlay |
Double Roller 21 Jewels |
Motor Barrel Sixty Hour 161A Adjusted Temp. And Six Positions |
Elinvar | Slanted Without Border | 8,950-9,050 | ||
45 | M15-P5-21J-161B | 21 | 15 | Interrupted Ray Black Inlay |
Double Roller 21 Jewels |
Motor Barrel Sixty Hour 161B Adjusted Temp. And Six Positions |
Elinvar | Slanted Without Border | 50* | ||
46 | M14-P4-23J-163-TypeIR | 23 | 14 | Rayed Red Inlay |
Sixty Hour | 163 Motor Barrel 23 Jewels Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 850 | ||
47 | M14-P4-23J-163-TypeI | 23 | 14 | Rayed Red Inlay |
Sixty Hour | Motor Barrel 23 Jewels 163 Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 3,810-3,860* | ||
48 | M15-P4-23J-163-TypeIE | 23 | 15 | Rayed Red Inlay |
Sixty Hour | Motor Barrel 23 Jewels 163 Adjusted Temp. And Six Positions |
Elinvar | Double Roller | Slanted Without Border | 1,080-1,130* | |
49 | M14-P4-23J-163-TypeII | 23 | 14 | Rayed Red Inlay |
23 Jewels | Motor Barrel Sixty Hour 163 Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 50* | ||
50 | M15-P4-23J-163-TypeIIE | 23 | 15 | Rayed Red Inlay |
23 Jewels | Motor Barrel Sixty Hour 163 Adjusted Temp. And Six Positions |
Elinvar | Double Roller | Slanted Without Border | 320* | |
51 | M15-P5-23J-163A-TypeIIB | 23 | 15 | Interrupted Ray Red Inlay |
Elinvar 23 Jewels |
Motor Barrel Sixty Hour 163A Adjusted Temp. And Six Positions |
Double Roller | Slanted Without Border | 1,800* | ||
52 | M15-P5-23J-163A-TypeIIP | 23 | 15 | Interrupted Ray Red Inlay |
Double Roller 23 Jewels |
Motor Barrel Sixty Hour 163A Adjusted Temp. And Six Positions |
Elinvar | Slanted Without Border | 1,300 |
* Indicates approximated production total.
Data Sources:
American Pocket Watches Illinois Watch Co. (Volume 2), William "Bill" Meggers and Roy Ehrhardt, 1985
American Pocket Watches Identification and Price Guide: Beginning to End, Roy Ehrhardt and William "Bill" Meggers, 1999
The 16-Size Bunn Special, 1913-1948, Michael Chamelin, 2013
Note: Many classifications have been assigned by Bill Meggers during research efforts and subsequent publications. These are not to be confused with company classification systems used during the time of production.