A Guide to Illinois Watch Co. size 12 Watches, Grade 427.
Grade 427 runs.
Serial numbers used on this page by the kind permission of
Russell W Snyder
Name
H/O
Estimate
Name
H/O
Estimate
Adonis
19 Jewels O.F.
200
The Statesman [made for R H Macy Co. Inc.]
19 Jewels O.F.
1,000
James A Garfield
19 Jewels O.F.
2,100
 
 
 
Run.
Date
From
To
Total
H/O
Jls
Adj.
Run.
Date
From
To
Total
H/O
Jls
Adj.
1
1921
3,932,101
3,932,500
400
O
19
3 Pos.
4
1922
4,083,801
4,084,300
500
O
19
3 Pos.
2
1921
3,960,601
3,960,800
200
O
19
3 Pos.
5
1923
4,196,001
4,197,000
1,000
O
19
3 Pos.
3
1922
4,082,101
4,082,300
200
O
19
3 Pos.
6
1927
4,865,001
4,866,000
1,000
O
19
3 Pos.
 
 
Total
3,300
 
Last update 12/19/2015.
Grade 427,
17 jewels adjusted to 3 positions, manufactured from 1921 to 1927 a total of 3,300 movements in 6 runs make up this grade. Model 3 open faced; bridge
movements of medium to high quality, with double roller and patent micrometric regulator.

Observations,
The grade look to be made from The Autocrat grade movements, the majority have rayed pattern demaskeening named James A Garfield. Adonis
movements have bright striped pattern and The Statesman are brushed nickel. The dials are not recessed into the pillar plate and stretched dials are
fitted, they are factory cased in Autocrat model cases. The Statesman cases have "The Statesman Series, R H Macy Co. Inc."on the Cuvette.

Description,
19 jewels, oreide settings; adjusted to temperature and 3 positions; spring tempered compensating balance with timing screws; double roller
escapement; hardened and polished steel escape wheel; sapphire pallets; sapphire jewel pins; gold beveled and polished center wheel; Breguet
hairspring; patent micrometric screw regulator; safety screw center pinion; perfect self locking setting device; concave and polished winding wheels;
safety recoil click.
Movement in this grade
Grade 410 Movements found to date.