The movement is Rare caliber AS 1130 (Adolph Schild SA,
Grenchen, Switzerland):
AS 1130
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
Features:
manual wind
sub second
Data:
13''', Dm= 29.0mm, Do= 29.4mm
H= 3.8mm
F= 0.8mm
T= 1.7mm
17 jewels
f = 18000 A/h
power reserve 41h
Balance staff: U2823 / U892 / U3132
screw balance, collet 0.5mm / 0.7mm / ring balance
Stem: W2633(0.9mm), W920(1.2mm)
Mainspring:
Zf1404, 1.70 x 11.5 x 0.13 x 360mm
Hands:
1.50 x 0.80 / 0.20mm