Fig. 1
Fig. 2
Fig. 3
| [SIZE=+1]ETA 1081[/SIZE]
Features
manual wind
sweep second
Data
11.5''', Dm= 25.6mm, Do= 26.0mm
H= 4.15mm
F= 1.5mm
T= 2.0mm
15/17/19/21 jewels
f = 18000 A/h
power reserve 42h
Balance staff U1397/U3098
balance with/without screws
Stem W1161 (W2767)
(cf. ETA 1080, 1256)
Mainspring / battery
Zf1223, 1.50 x 9.5 x 0.11 x 290mm
Hands
1.50 x 0.90 x 0.21mm
Comments about the data | Remarks
often signed as ETA 1080
various bridge shapes
differences not known between 1081, 1083, 1085, 1087, 1089, 1095, 1097, 1099, 1141, 1143, 1145, 1147, 1149, 1155, 1157, 1175, 1177, 1179, 1181, 1183, 1287
family/generations:
manual wind:
1080: 10.5''', H= 4.15mm
1081: 11.5''', H= 4.15mm
1093: 11.5''', date
1152: 10.5''', H= 4.5mm
1153: 11.5''', H= 4.5mm
automatic:
1256: -
1258: date
automatic, minor modifications:
1257: -
1259: date
Example, year: signature; shock device
1) ca. 1955: ETA 1080, Habmann* - DHK; Incabloc
2) ca. 1955: Titus Watch Co, Swiss Made, 21 Jewels; Incabloc |