Vintage Simplon Alarm Watch BFG 90

Case backing designed for loud buzzing sound

BFG 90 Movement:

Baumgartner 90, also being referred to as the BFG 90.

Pin lever escapement
Friction coupled barrels with winding display

Features
manual-wind alarm
sweep second
winding indicator for each barrel
Data
14''', Dm= 32mm
H= 7mm
17 jewels
f = 18000 A/h
power reserve 38h
alarm 20s
Balance staff U1649
Stem W2030
Mainspring / battery
watch: Baumgartner R8
alarm: Zf851, 1.30 x 8.5 x 0.10 x 250mm
Hands
3.00 x 1.89 x 1.22 x 0.20mm