A Guide to Illinois Watch Co. size 12 watches, Grade 274.
Name
H/O
Estimate
Name
H/O
Estimate
Accurate
21 Jewels O.F.
50
Paramount
21 Jewels O.F.
400
Aristocrat
21 Jewels O.F.
800
Penn Special
21 Jewels O.F.
900
Banker
21 Jewels O.F.
400
Precise
21 Jewels O.F.
600
Capitol
21 Jewels O.F.
1,080
Roosevelt
21 Jewels O.F.
300
Capitol
21 Jewels H.
120
Salco
21 Jewels O.F.
200
Craftsman
21 Jewels O.F.
100
Santa Fe Special [made for Santa Fe Watch Co.,Topeka KS.]
21 Jewels O.F.
5,750
Crest
21 Jewels O.F.
50
Santa Fe Special [made for Santa Fe Watch Co.,Topeka KS.]
21 Jewels H.
1,930
Criterion
21 Jewels O.F.
700
Senator
21 Jewels O.F.
100
Diplomat
21 Jewels O.F.
900
Sterling
21 Jewels O.F.
2,900
Duquesne
21 Jewels O.F.
100
Sterling
21 Jewels H.
150
J H Ehrlich 'Expressly made for'
21 Jewels H.
20
Stewart Special [made for Sproehnle  & Co., Chicago]
21 Jewels O.F.
500
Elbros
21 Jewels O.F.
100
Stewart Special [made for Sproehnle  & Co., Chicago]
21 Jewels H.
100
Elite
21 Jewels O.F.
250
Stewart Special [made for Sproehnle  & Co., Chicago]
19 Jewels O.F.
1,850
Executive
21 Jewels O.F.
300
Stewart Special [made for Sproehnle  & Co., Chicago]
19 Jewels H.
250
Federal
21 Jewels O.F.
1,880
The Fifth Avenue [made for Marshall Field & Co. Chicago,]
19 Jewels O.F.
490
Gold Medal
21 Jewels O.F.
350
The Fifth Avenue [made for Marshall Field & Co. Chicago,]
19 Jewels H.
180
Great Northern Special
21 Jewels O.F.
150
The Garland
21 Jewels O.F.
1,000
Illinois Central
21 Jewels O.F.
3,450
The Governor
21 Jewels O.F.
500
Illinois Central
21 Jewels H.
1,350
The Master
21 Jewels O.F.
1,080
Illinois Watch Co.
21 Jewels O.F.
28,490
Time King
21 Jewels O.F.
2,800
Illinois Watch Co.
21 Jewels H.
1,780
Trustworthy
21 Jewels O.F.
150
Kingston
21 Jewels O.F.
100
Victor
21 Jewels O.F.
800
King Special
21 Jewels O.F.
100
Washington Watch Co. 'Army and Navy' [Montgomery Ward]
21 Jewels O.F.
200
Marine Special
21 Jewels O.F.
1,000
Washington Watch Co. 'Army and Navy' [Montgomery Ward]
21 Jewels H.
190
Masterpiece
21 Jewels O.F
100
21 Special
21 Jewels O.F.
400
Monarch
21 Jewels O.F
450
 
 
 
Run.
Date
From
To
Total
H/O
Jls
Adj.
Run.
Date
From
To
Total
H/O
Jls
Adj.
1
1911
2,358,951
2,359,000
50
O
19
3 Pos.
71
1920
3,685,701
3,685,800
100
O
19
3 Pos.
2
1911
2,367,611
2,367,620
10
H
21
3 Pos.
72
1920
3,685,801
3,686,100
300
O
21
Mixed
3
1911
2,367,831
2,367,880
50
O
21
3 Pos.
73
1920
3,686,101
3,686,500
400
O
21
T & Pos.
4
1912
2,406,161
2,406,210
50
H
21
3 Pos.
74
1920
3,738,301
3,738,400
100
O
19
3 Pos.
5
1912
2,437,851
2,437,900
50
O
21
3 Pos.
75
1920
3,738,401
3,739,100
700
O
21
Mixed
6
1912
2,495,971
2,496,000
30
O
21
3 Pos.
76
1921
3,813,001
3,813,300
300
O
19
3 Pos.
7
1913
2,570,971
2,571,000
30
H
21
3 Pos.
77
1921
3,813,301
3,813,600
300
O
21
3 Pos.
8
1914
2,617,001
2,617,170
170
O
21
3 Pos.
78
1921
3,843,501
3,843,700
200
O
19
3 Pos.
9
1914
2,631,291
2,631,300
10
H
21
Pos. & T.
79
1921
3,843,701
3,844,500
800
O
21
3 Pos.
10
1914
2,631,881
2,631,930
50
O
21
Pos. & T.
80
1921
3,846,401
3,846,440
40
H
19
3 Pos.
11
1915
2,699,841
2,699,850
10
O
21
5 Pos. & T.
81
1921
3,846,441
3,846,500
60
H
21
3 Pos.
12
1915
2,799,301
2,799,320
20
O
21
3 Pos.
82
1921
3,846,501
3,846,600
100
H
19
3 Pos.
13
1915
2,799,491
2,799,510
20
H
21
3 Pos.
83
1921
3,846,601
3,847,100
500
H
21
3 Pos.
14
1916
2,881,501
2,881,850
350
O
19
3 Pos.
84
1921
3,873,101
3,873,500
400
O
21
3 Pos.
15
1916
2,881,851
2,882,000
150
H
19
3 Pos.
85
1921
3,873,501
3,873,600
100
O
19
3 Pos.
16
1916
2,925,501
2,925,600
100
O
21
3 Pos.
86
1922
4,000,101
4,000,200
100
O
19
3 Pos.
17
1916
2,947,401
2,947,550
150
H
21
T & Pos.
87
1922
4,000,201
4,001,000
800
O
21
Mixed
18
1916
2,947,551
2,947,900
350
O
21
T & Pos.
88
1922
4,011,601
4,011,640
40
H
19
3 Pos.
19
1916
3,031,001
3,031,500
500
O
21
T & Pos.
89
1922
4,011,641
4,012,400
760
H
21
3 Pos.
20
1916
3,040,591
3,040,600
10
H
21
3 Pos.
90
1922
4,032,501
4,032,700
200
O
21
3 Pos.
21
1916
3,056,501
3,056,950
450
O
21
3 Pos.
91
1922
4,032,701
4,032,800
100
O
21
3 Pos.
22
1916
3,056,951
3,057,000
50
H
21
3 Pos.
92
1922
4,032,801
4,033,600
800
O
21
3 Pos.
23
1917
3,057,001
3,057,100
100
O
21
3 Pos.
93
1922
4,053,001
4,053,650
650
O
21
3 Pos.
24
1917
3,057,101
3,057,170
70
H
21
3 Pos.
94
1922
4,054,001
4,055,000
1,000
O
21
3 Pos.
25
1917
3,093,601
3,093,700
100
O
21
3 Pos.
95
1922
4,067,001
4,067,250
250
O
21
3 Pos.
26
1917
3,116,101
3,116,200
100
O
21
3 Pos.
96
1922
4067251
4067500
250
O
21
3 Pos
27
1917
3,120,601
3,120,700
100
H
21
3 Pos.
97
1922
4,068,601
4,069,000
400
O
21
Mixed
28
1917
3,130,101
3,130,200
100
O
21
3 Pos.
98
1922
4,079,001
4,079,900
900
O
21
3 Pos.
29
1917
3,130,201
3,130,300
100
O
21
3 Pos.
99
1922
4,107,601
4,108,000
400
H
21
Mixed
30
1917
3,130,301
3,130,400
100
O
19
3 Pos.
100
1922
4,125,001
4,127,000
2,000
O
21
Mixed
31
1917
3,139,991
3,140,000
10
O
21
3 Pos.
101
1922
4,139,001
4,140,200
1,200
O
21
Mixed
32
1917
3,145,171
3,145,190
20
O
21
3 Pos.
102
1922
4,140,601
4,141,000
400
O
19
3 Pos.
33
1917
3,145,261
3,145,290
30
H
21
5 Pos. & T.
103
1922
4,144,001
4,145,000
1,000
H
21
T & Pos.
34
1917
3,145,451
3,145,500
50
O
19
3 Pos.
104
1922
4,154,001
4,155,000
1,000
O
21
3 Pos.
35
1917
3,170,601
3,170,640
40
O
19
3 Pos.
105
1923
4,175,601
4,175,800
200
O
19
3 Pos.
36
1917
3,170,641
3,170,680
40
H
19
3 Pos.
106
1923
4,175,801
4,176,000
200
O
21
3 Pos.
37
1917
3,172,801
3,172,900
100
H
21
3 Pos.
107
1923
4,222,001
4,224,000
2,000
O
21
3 Pos.
38
1917
3,205,901
3,206,000
100
H
21
3 Pos.
108
1923
4,252,001
4,253,000
1,000
O
21
3 Pos.
39
1917
3,225,901
3,226,000
100
O
21
3 Pos.
109
1923
4,298,001
4,300,000
2,000
O
21
Mixed
40
1918
3,270,701
3,270,900
200
O
21
3 Pos.
110
1923
4,331,001
4,332,000
1,000
O
21
3 Pos.
41
1918
3,309,461
3,309,480
20
H
21
3 Pos.
111
1923
4,340,001
4,341,000
1,000
O
21
3 Pos.
42
1918
3,312,701
3,312,730
30
O
21
3 Pos.
112
1923
4,352,001
4,354,000
2,000
O
21
Mixed
43
1918
3,312,771
3,312,780
10
H
21
3 Pos.
113
1923
4,379,001
4,380,000
1,000
O
21
Mixed
44
1918
3,315,801
3,316,000
200
O
21
3 Pos.
114
1923
4,381,001
4,382,000
1,000
O
21
3 Pos.
45
1918
3,328,901
3,329,000
100
O
21
3 Pos.
115
1923
4,395,001
4,395,150
150
H
21
3 Pos.
46
1918
3,338,901
3,338,950
50
H
19
3 Pos.
116
1923
4,408,001
4,409,000
1,000
O
21
3 Pos.
47
1918
3,338,951
3,339,000
50
H
21
3 Pos.
117
1923
4,417,001
4,418,000
1,000
O
21
Mixed
48
1918
3,358,801
3,358,900
100
O
19
3 Pos.
118
1923
4,419,001
4,420,000
1,000
O
21
Mixed
49
1918
3,358,901
3,359,000
100
O
21
3 Pos.
119
1923
4,442,001
4,443,000
1,000
O
21
3 Pos.
50
1918
3,374,801
3,374,900
100
O
21
3 Pos.
120
1923
4,470,001
4,472,000
2,000
O
21
3 Pos.
51
1918
3,392,931
3,392,970
40
H
21
3 Pos.
121
1923
4,481,001
4,482,000
1,000
O
21
3 Pos.
52
1918
3,392,971
3,393,000
30
O
21
3 Pos.
122
1923
4,483,001
4,484,000
1,000
O
21
3 Pos.
53
1918
3,399,001
3,399,200
200
H
21
T & Pos.
123
1924
4,507,001
4,508,000
1,000
O
21
3 Pos.
54
1918
3,399,301
3,399,330
30
H
21
3 Pos.
124
1924
4,526,001
4,528,000
2,000
O
21
3 Pos.
55
1918
3,414,181
3,414,220
40
O
21
3 Pos.
125
1925
4,549,001
4,550,000
1,000
O
21
3 Pos.
56
1918
3,414,301
3,414,400
100
O
19
3 Pos.
126
1925
4,550,001
4551000
1,000
O
21
3 Pos.
57
1918
3,414,401
3,414,600
200
O
21
T & Pos.
127
1925
4,604,001
4,605,000
1,000
O
21
3 Pos.
58
1919
3,488,901
3,489,000
100
O
21
3 Pos.
128
1925
4,611,001
4,613,000
2,000
O
21
3 Pos.
59
1919
3,522,501
3,522,800
300
O
21
T & Pos.
129
1925
4,645,601
4,647,000
1,400
H
21
3 Pos.
60
1919
3,527,801
3,528,000
200
O
21
T & Pos.
130
1925
4,651,001
4,653,000
2,000
O
21
3 Pos.
61
1919
3,538,501
3,538,600
100
H
19
3 Pos.
131
1925
4,654,001
4,656,000
2,000
O
21
3 Pos.
62
1919
3,538,601
3,539,000
400
O
21
T & Pos.
132
1925
4,684,001
4,687,000
3,000
O
21
3 Pos.
63
1919
3,550,901
3,551,000
100
H
21
3 Pos.
133
1926
4,701,001
4,703,000
2,000
O
21
3 Pos.
64
1919
3,566,401
3,566,500
100
O
19
3 Pos.
134
1926
4,740,001
4,742,000
2,000
O
21
3 Pos.
65
1920
3,639,701
3,639,800
100
O
19
3 Pos.
135
1926
4,769,001
4,770,000
1,000
O
21
3 Pos.
66
1920
3,639,801
3,640,000
200
O
21
T & Pos.
136
1926
4,771,001
4,772,000
1,000
O
21
3 Pos.
67
1920
3,641,001
3,641,300
300
O
21
T & Pos.
137
1926
4,798,001
4,799,200
1,200
O
21
3 Pos.
68
1920
3,641,301
3,641,400
100
O
19
3 Pos.
138
1926
4,799,201
4,800,000
800
O
21
3 Pos.
69
1920
3,675,401
3,675,680
280
H
21
T & Pos.
139
1926
4,820,001
4,821,000
1,000
O
21
3 Pos.
70
1920
3,675,681
3,675,800
20
H
19
3 Pos.
 
 
 
Total
69,420
 
 
 
Grade 274 Movements found to date.
Grade 274 Runs.
Serial numbers used on this page by the kind permission of
Russell W Snyder
Last update 03/05/2015.
Grade 274,
19 & 21 jewels adjusted 3 positions or temp & positions, manufactured from 1911 to 1926 a total of 69,420 movements in 139 runs make up this
grade. Model 1 open faced and model 2 hunter; 3/4 plate movements of medium to high quality,  with double roller and patent micrometric regulator.
Open faced 67,750 in 102 runs and Hunter 6,650 in 37 runs.

Observations,
The movements come in a great variety of  patterned demaskeening, with the majority named Illinois Watch Co., named and private labels make up
the remainder. 19 jewel bridge models made for the Burlington Watch Co., have been separated and can be found under Grade 274B.

Variants,  
Three types of escapement bridge can be found, most of the movements have a full plate bridge. The Washington Watch Co. have a  full plate
scalloped bridge, some early models have a two fingered bridge including all of the Stewart Special watches.

Description,
19 & 21 jewels, Oreide settings; adjusted to temperature; compensating balance; double roller escapement; steel escape wheel; sapphire jewels;
gold beveled and polished center wheel; Breguet hairspring; patent regulator; safety pinion; concaved and polished winding wheels;recoil click;
demaskeened in various patterns.
Movements in this grade.