ETA-ESA 955.112
Features
quartz controlled stepper motor
sweep second
date: quickset
Data
11.5''', Dm= 25.6mm
H= 2.5mm
7 jewels
f = 32768 Hz
Stem ESA 956.101
Mainspring / battery
371
Hands
1.20 x 0.70 x 0.20mm
Remarks
1985-1988
family/generations:
11.5''':
955.031: Longlife, no second
955.032: same, minor modifications
955.101: sweep second
955.102: same, minor modifications
955.111: sweep second, date
955.112: same, minor modifications
955.114: same, minor modifications
955.121: sweep second, day, date
955.122: same, minor modifications
955.124: same, minor modifications
955.132: sweep second, day at 12h, date
955.291: sweep second, date, moon phase
10.5''':
955.401: sweep second
955.402: same, minor modifications
955.411: sweep second, date
955.412: same, minor modifications
955.413: same, minor modifications
955.414: same, minor modifications
955.419: sweep second, date, moon phase
955.421: sweep second, day, date
955.422: same, minor modifications
955.423: same, minor modifications
955.424: same, minor modifications
955.431: Longlife, no second
955.432: same, minor modifications
Example, year: signature; shock device
ca. 1990: Swiss, 7 Jewels