AS 1716

 

Basic Information

NameAS 1716
ManufacturerAS
Launch Year1964
Caliber FamilyDescription
18000 / 21600A/h (quick-set) respectively:
1714 / 1860 : manual
1715(1838)/1861(1871): manual, date
1819(1830)/1865(1875): manual, day/date
1716 / 1862 : auto
1717(1839)/1863(1873): auto, date
1820(1831)/1866(1876): auto, day/date

Related calibers
AS 1714, AS 1715, AS 1716, AS 1717, AS 1819, AS 1820, AS 1830, AS 1831, AS 1838, AS 1839, AS 1860, AS 1861, AS 1862, AS 1863, AS 1865, AS 1866, AS 1871, AS 1873, AS 1875, AS 1876
Is COSC certifiedNo
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz
Lift angle
52 degrees

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

Technical Details

Lignes Dimensions11.5 ‴
Dimensions26 mm
Height4.1 mm
Further MeasuresMounting Diameter (Dm): 25.6mm
Ball Bearing: 0.05mm
Stem height (T): 1.8mm
Mounting Height (F): 1.2mm
Power Reserve42 hours
Frequency18,000 vph
Jewels25
Lift Angle52 degrees

Complications and Specifications

ShapeRound
Complications
  • Sweep Second
Shock ProtectionIncabloc
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeAutomatic
Rotor TypeCentral Rotor
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeAutomatic (Rotor-Driven)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.50 x 0.90 x 0.21mm
Hand Count3
Country Of ManufactureSwitzerland
NotesRemarks: 1964-
first AS calibre with ball-bearing rotor
indirectly driven minute allows a big balance and low profile
Other data: balance staff: U3113 stem: W3076 mainspring / battery: 1.00 x 10.5 x 0.118 x 320mm balance staff ronda: 5115 (11,5) stem ronda: 1632 (11,5) Mainspring: 1.000 x 11.000 x 0.115 x 360.000 mm
Ranfft mentioned about this caliber: There are variants with this quantity of jewels 17, 21, 25
Signatureca. 1970: EW, Swiss, 25 Jewels; Incabloc (AS 1863, 21600A/h)

Compatible Parts

1354 other caliber(s) share compatible parts with this caliber.

95 compatible part(s) available — Supporter feature.

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:31:03 PM
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