AS 1161

 

Basic Information

NameAS 1161
ManufacturerAS
Launch Year1940
Caliber FamilyDescription
984 : 10.5" , manual wind, sub second
1002: 11.5" , manual wind, sub second
1007: 10.5" , manual wind, sweep second
1027: 11.5" , manual wind, sweep second
1114: 10.5" , manual wind, sub second, date hand
1128: 11.5" , manual wind, sub second, date hand
1154: 11.5" , manual wind, sub second, date
1191: 12.5" , automatic, sub second
1192: 12.5" , automatic, sweep second

Related calibers
AS 1002, AS 1007, AS 1009, AS 1010, AS 1013, AS 1015, AS 1021, AS 1024, AS 1027, AS 1028, AS 1029, AS 1032, AS 1033, AS 1035, AS 1038, AS 1041, AS 1048, AS 1050, AS 1055, AS 1077, AS 1084, AS 1089, AS 1091, AS 1114, AS 1128, AS 1141, AS 1147, AS 1153, AS 1154, AS 1160, AS 1161, AS 1191, AS 1192, AS 1211, AS 1218, AS 1231, AS 1259, AS 1277, AS 1285, AS 1313, AS 1377, AS 1440, AS 1614, AS 984
Is COSC certifiedNo
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz

Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.

Technical Details

Lignes Dimensions11.5 ‴
Dimensions25.94 mm
Height4.7 mm
Further MeasuresMounting Diameter (Dm): 25.6mm
Stem height (T): 1.8mm
Mounting Height (F): 0.5mm
Power Reserve40 hours
Frequency18,000 vph
Jewels15

Complications and Specifications

ShapeRound
Complications
  • Sweep Second
  • Chronograph Stopwatch
Shock ProtectionOther / Vintage
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeManual
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeStem Winding (Crown)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.30 x 0.85 x 0.32mm
Hand Count3
Country Of ManufactureSwitzerland
NotesRemarks: differences not known between 1027, 1041, 1161
Other data: balance staff: U841 stem: W1131 mainspring / battery: Zf1389, 1.70 x 9.0 x 0.10 x 290mm balance staff ronda: 160 (11,5) stem ronda: 166 (10,5) Other data: Other data: stem ronda: 166 (10,5) Mainspring: 1.700 x 9.000 x 0.100 x 300.000 mm
Ranfft mentioned about this caliber: There are variants with this quantity of jewels 7, 15
Signatureca. 1940: Swiss Made, 15 Jewels - AS 984; Shock-Resist (AS 1007, 10.5" )

Compatible Parts

481 other caliber(s) share compatible parts with this caliber.

65 compatible part(s) available — Supporter feature.

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:30:57 PM
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