From Ranfft. It appears the AS 1130 had different bridge shapes.
"
Remarks
so called Wehrmachtswerk (army movement)
option: Reed's regulator,
different bridge shapes,
sometimes separate escape wheel cock,
differently bevelled bridge and plate edges,
later samples with ring balance and/or mobile stud carrier, but even very late still without shock device (Fig.5, 6)
differences not known between 1130, 1142, 1149, 1243, 1286, 1295, 1304, 1339, 1383, 1387, 1392, 1399, 1401, 1420, 1487, 1502, 1522, 1540, 1542, 1548, 1573, 1597, 1667, 1685
two calibres of this line with 13.5''': 1337, 1511
two calibres of this line with 14''' : 1486, 1543
three calibres of this line with indirect sweep second: 1155, 1164, 1195
These were only produced a short time, since they were soon replaced by the AS 1188 with direct sweep second."
Interesting it came in 15,16,17, and 21 jewel movements.
