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
 Monarch
 21 Jewels O.F.
 450
Aristocrat
 21 Jewels O.F.
 700
 Paramount
 21 Jewels O.F.
 400
Banker
 21 Jewels O.F.
 400
 Penn Special
 21 Jewels O.F.
 1,100
Capitol
 21 Jewels O.F.
 1,080
 Precise
 21 Jewels O.F.
 700
Capitol
 21 Jewels H.
 120
 Roosevelt
 21 Jewels O.F.
 300
Craftsman
 21 Jewels O.F.
 100
 Salco
 21 Jewels O.F.
 200
Crest
 21 Jewels O.F.
 50
 Santa Fe Special [made for Santa Fe Watch Co.,Topeka KS.]
 21 Jewels O.F.
 5,750
Criterion
 21 Jewels O.F.
 700
 Santa Fe Special [made for Santa Fe Watch Co.,Topeka KS.]
 21 Jewels H.
 1,730
Diplomat
 21 Jewels O.F.
 900
 Senator
 21 Jewels O.F.
 100
Duquesne
 21 Jewels O.F.
 50
 Sterling
 21 Jewels O.F.
 2,900
J H Ehrlich 'Expressly made for'
 21 Jewels O.F.
 50
 Sterling
 21 Jewels H.
 250
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.
 540
Gold Medal
 21 Jewels O.F.
 250
 The Fifth Avenue [made for Marshall Field & Co. Chicago,]
 19 Jewels H.
 200
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.
 1,150
 The Master
 21 Jewels O.F.
 1,130
Illinois Watch Co.
 21 Jewels O.F.
 26,740
 Time King
 21 Jewels O.F.
 2,600
Illinois Watch Co.
 21 Jewels H.
 2,100
 Trustworthy
 21 Jewels O.F.
 100
Kingcraft
 21 Jewels O.F.
 50
 Victor
 21 Jewels O.F.
 800
Kingston
 21 Jewels O.F.
 100
 Washington Watch Co. 'Army and Navy' [Montgomery Ward]
 21 Jewels O.F.
 240
King Special
 21 Jewels O.F.
 50
 Washington Watch Co. 'Army and Navy' [Montgomery Ward]
 21 Jewels H.
 190
Marine Special
 21 Jewels O.F.
 1,000
 21 Special
 21 Jewels O.F.
 400
Masterpiece
 21 Jewels O.F
 100
      
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
3,675,681
3,685,700
20
O
19
3 Pos.
2
1911
2,367,611
2,367,620
10
H
21
Pos. & T.
72
1920
3,685,701
3,685,800
100
O
19
3 Pos.
3
 1911
 2,367,831
 2,367,880
 50
 O
 21
 Pos. & T.
 73
 1920
 3,685,801
 3,686,100
 300
 O
 21
 Mixed
4
 1912
 2,406,161
 2,406,210
 50
 H
 21
 Pos. & T.
 74
 1920
 3,686,101
 3,686,500
 400
 O
 21
 T & Pos.
5
 1912
 2,437,851
 2,437,900
 50
 O
 21
 3 Pos.
 75
 1920
 3,738,301
 3,738,400
 100
 O
 19
 3 Pos.
6
 1912
 2,495,971
 2,496,000
 30
 H
 21
 3 Pos.
 76
 1920
 3,738,401
 3,739,100
 700
 O
 21
 Mixed
7
 1913
 2,543481
 2,543500
 20
 O
 21
 Pos. & T.
 77
 1921
 3,813,001
 3,813,300
 300
 O
 19
 3 Pos.
8
 1913
 2,570,971
 2,571,000
 30
 H
 21
 3 Pos.
 78
 1921
 3,813,301
 3,813,600
 300
 O
 21
 3 Pos.
9
 1914
 2,617,001
 2,617,170
 170
 O
 21
 3 Pos.
 79
 1921
 3,843,501
 3,843,700
 200
 O
 19
 3 Pos.
10
 1914
 2,623,861
 2,623,880
 20
 O
 21
 Pos. & T.
 80
 1921
 3,843,701
 3,844,500
 800
 O
 21
 3 Pos.
11
 1914
 2,631,291
 2,631,300
 10
 H
 21
 Pos. & T.
 81
 1921
 3,846,401
 3,846,440
 40
 H
 19
 3 Pos.
12
 1914
 2,631,881
 2,631,930
 50
 O
 21
 Pos. & T.
 82
 1921
 3,846,441
 3,846,500
 60
 H
 21
 3 Pos.
13
 1915
 2,699,841
 2,699,850
 10
 O
 21
 5 Pos. & T.
 83
 1921
 3,846,501
 3,846,600
 100
 H
 19
 3 Pos.
14
1915
2,799,301
2,799,320
20
O
21
 3 Pos.
84
1921
3,846,601
3,847,100
500
H
21
 3 Pos.
15
1915
2,799,491
2,799,510
20
H
21
3 Pos.
85
1921
3,873,101
3,873,500
400
O
21
 3 Pos.
16
1916
2,881,501
2,881,850
350
O
19
3 Pos.
86
1921
3,873,501
3,873,600
100
O
19
 3 Pos.
17
1916
2,881,851
2,882,000
150
H
19
3 Pos.
87
1922
4,000,101
4,000,200
100
O
19
 3 Pos.
18
1916
2,947,401
2,947,550
150
H
21
T & Pos.
88
1922
4,000,201
4,001,000
800
O
21
 Mixed
19
1916
2,947,551
2,947,900
350
O
21
T & Pos.
89
1922
4,011,601
4,011,640
40
H
19
 3 Pos.
20
1916
3,031,001
3,031,500
500
O
21
T & Pos.
90
1922
4,011,641
4,012,400
760
H
21
 3 Pos.
21
1916
3,040,591
3,040,600
10
H
21
3 Pos.
91
1922
4,032,501
4,032,700
200
O
21
3 Pos.
22
 1916
 3,056,501
 3,056,950
 450
 O
 21
 3 Pos.
 92
 1922
 4,032,701
 4,032,800
 100
 O
 21
 3 Pos.
23
 1916
 3,056,951
 3,057,000
 50
 H
 21
 3 Pos.
 93
 1922
 4,032,801
 4,033,600
 800
 O
 21
 3 Pos.
24
 1917
 3,057,001
 3,057,100
 100
 O
 21
 3 Pos.
 94
 1922
 4,053,001
 4,053,650
 650
 O
 21
 3 Pos.
25
 1917
 3,057,101
 3,057,170
 70
 H
 21
 3 Pos.
 95
 1922
 4,054,001
 4,055,000
 1,000
 O
 21
 3 Pos.
26
 1917
 3,093,601
 3,093,700
 100
 O
 21
 3 Pos.
 96
 1922
 4,067,001
 4,067,250
 250
 O
 21
 3 Pos.
27
 1917
 3,116,101
 3,116,200
 100
 O
 21
 3 Pos.
 97
 1922
 4067251
 4067500
 250
 O
 21
 3 Pos
28
 1917
 3,120,601
 3,120,700
 100
 H
 21
 3 Pos.
 98
 1922
 4,068,601
 4,069,000
 400
 O
 21
 Mixed
29
 1917
 3,130,101
 3,130,200
 100
 O
 21
 3 Pos.
 99
 1922
 4,079,001
 4,079,900
 900
 O
 21
 3 Pos.
30
 1917
 3,130,201
 3,130,300
 100
 O
 21
 3 Pos.
 100
 1922
 4,107,601
 4,108,000
 400
 H
 21
 Mixed
31
 1917
 3,130,301
 3,130,400
 100
 O
 19
 3 Pos.
 101
 1922
 4,125,001
 4,127,000
 2,000
 O
 21
 Mixed
32
 1917
 3,139,991
 3,140,000
 10
 O
 21
 3 Pos.
 102
 1922
 4,139,001
 4,140,200
 1,200
 O
 21
 Mixed
33
1917
3,145,171
3,145,190
20
O
21
3 Pos.
103
1922
4,140,601
4,141,000
400
O
19
3 Pos.
34
 1917
 3,145,261
 3,145,290
 30
 H
 21
 5 Pos. & T.
 104
 1922
 4,144,001
 4,145,000
 1,000
 H
 21
 T & Pos.
35
 1917
 3,145,451
 3,145,500
 50
 O
 19
 3 Pos.
 105
 1922
 4,154,001
 4,155,000
 1,000
 O
 21
 3 Pos.
36
 1917
 3,170,601
 3,170,640
 40
 O
 19
 3 Pos.
 106
 1923
 4,175,601
 4,175,800
 200
 O
 19
 3 Pos.
37
 1917
 3,170,641
 3,170,680
 40
 H
 19
 3 Pos.
 107
 1923
 4,175,801
 4,176,000
 200
 O
 21
 3 Pos.
38
 1917
 3,172,801
 3,172,900
 100
 H
 21
 3 Pos.
 108
 1923
 4,222,001
 4,224,000
 2,000
 O
 21
 3 Pos.
39
 1917
 3,205,901
 3,206,000
 100
 H
 21
 3 Pos.
 109
 1923
 4,252,001
 4,253,000
 1,000
 O
 21
 3 Pos.
40
 1917
 3,225,901
 3,226,000
 100
 O
 21
 3 Pos.
 110
 1923
 4,298,001
 4,300,000
 2,000
 O
 21
 Mixed
41
 1918
 3,270,701
 3,270,900
 200
 O
 21
 3 Pos.
 111
 1923
 4,331,001
 4,332,000
 1,000
 O
 21
 3 Pos.
42
 1918
 3,309,461
 3,309,480
 20
 H
 21
 3 Pos.
 112
 1923
 4,340,001
 4,341,000
 1,000
 O
 21
 3 Pos.
43
 1918
 3,312,701
 3,312,730
 30
 O
 21
 5 Pos. & T.
 113
 1923
 4,352,001
 4,354,000
 2,000
 O
 21
 Mixed
44
 1918
 3,312,771
 3,312,780
 10
 H
 21
 3 Pos.
 114
 1923
 4,379,001
 4,380,000
 1,000
 O
 21
 Mixed
45
 1918
 3,315,801
 3,316,000
 200
 O
 21
 3 Pos.
 115
 1923
 4,381,001
 4,382,000
 1,000
 O
 21
 3 Pos.
46
 1918
 3,328,901
 3,329,000
 100
 O
 21
 3 Pos.
 116
 1923
 4,395,001
 4,395,150
 150
 H
 21
 3 Pos.
47
 1918
 3,338,901
 3,338,950
 50
 H
 19
 3 Pos.
 117
 1923
 4,408,001
 4,409,000
 1,000
 O
 21
 3 Pos.
48
 1918
 3,338,951
 3,339,000
 50
 H
 21
 3 Pos.
 118
 1923
 4,417,001
 4,418,000
 1,000
 O
 21
 Mixed
49
 1918
 3,358,801
 3,358,900
 100
 O
 19
 3 Pos.
 119
 1923
 4,419,001
 4,420,000
 1,000
 O
 21
 Mixed
50
 1918
 3,358,901
 3,359,000
 100
 O
 21
 3 Pos.
 120
 1923
 4,442,001
 4,443,000
 1,000
 O
 21
 3 Pos.
51
 1918
 3,374,801
 3,374,900
 100
 O
 21
 3 Pos.
 121
 1923
 4,470,001
 4,472,000
 2,000
 O
 21
 3 Pos.
52
 1918
 3,392,931
 3,392,970
 40
 H
 21
 3 Pos.
 122
 1923
 4,481,001
 4,482,000
 1,000
 O
 21
 3 Pos.
53
 1918
 3,392,971
 3,393,000
 30
 O
 21
 3 Pos.
 123
 1923
 4,483,001
 4,484,000
 1,000
 O
 21
 3 Pos.
54
 1918
 3,399,001
 3,399,200
 200
 H
 21
 T & Pos.
 124
 1924
 4,507,001
 4,508,000
 1,000
 O
 21
 3 Pos.
55
 1918
 3,399,301
 3,399,330
 30
 H
 21
 5 Pos. & T.
 125
 1924
 4,526,001
 4,528,000
 2,000
 O
 21
 3 Pos.
56
 1918
 3,414,181
 3,414,220
 40
 O
 21
 5 Pos. & T.
 126
 1925
 4,549,001
 4,550,000
 1,000
 O
 21
 3 Pos.
57
 1918
 3,414,301
 3,414,400
 100
 O
 19
 3 Pos.
 127
 1925
 4,550,001
 4551000
 1,000
 O
 21
 3 Pos.
58
 1918
 3,414,401
 3,414,600
 200
 O
 21
 T & Pos.
 128
 1925
 4,604,001
 4,605,000
 1,000
 O
 21
 3 Pos.
59
 1919
 3,488,901
 3,489,000
 100
 O
 21
 3 Pos.
 129
 1925
 4,611,001
 4,613,000
 2,000
 O
 21
 3 Pos.
60
 1919
 3,522,501
 3,522,800
 300
 O
 21
 T & Pos.
 130
 1925
 4,645,601
 4,647,000
 1,400
 H
 21
 3 Pos.
61
 1919
 3,527,801
 3,528,000
 200
 O
 21
 T & Pos.
 131
 1925
 4,651,001
 4,653,000
 2,000
 O
 21
 3 Pos.
62
 1919
 3,538,501
 3,538,600
 100
 H
 19
 3 Pos.
 132
 1925
 4,654,001
 4,656,000
 2,000
 O
 21
 3 Pos.
63
 1919
 3,538,601
 3,539,000
 400
 O
 21
 T & Pos.
 133
 1925
 4,684,001
 4,687,000
 3,000
 O
 21
 3 Pos.
64
 1919
 3,550,901
 3,551,000
 100
 H
 21
 3 Pos.
 134
 1926
 4,701,001
 4,703,000
 2,000
 O
 21
 3 Pos.
65
 1919
 3,566,401
 3,566,500
 100
 O
 19
 3 Pos.
 135
 1926
 4,740,001
 4,742,000
 2,000
 O
 21
 3 Pos.
66
 1920
 3,639,701
 3,639,800
 100
 O
 19
 3 Pos.
 136
 1926
 4,769,001
 4,770,000
 1,000
 O
 21
 3 Pos.
67
 1920
 3,639,801
 3,640,000
 200
 O
 21
 T & Pos.
 137
 1926
 4,771,001
 4,772,000
 1,000
 O
 21
 3 Pos.
68
 1920
 3,641,001
 3,641,300
 300
 O
 21
 T & Pos.
 138
 1926
 4,798,001
 4,799,200
 1,200
 O
 21
 3 Pos.
69
 1920
 3,641,301
 3,641,400
 100
 O
 19
 3 Pos.
 139
 1926
 4,799,201
 4,800,000
 800
 O
 21
 3 Pos.
70
 1920
 3,675,401
 3,675,680
 280
 H
 21
 T & Pos.
 114
 1926
 4,820,001
 4,821,000
 1,000
 O
 21
 3 Pos.
   
 
 
 
      
 
 
 
Total
69,360
 
 
 
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 05/19/2020
Grade 274,
19 & 21 jewels adjusted 3 positions or temp & positions, manufactured from 1911 to 1926 a total of 69,360 movements in 140 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 62,690 in 103 runs and Hunter 6,670 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.