Hamilton 914

Basic Information

NameHamilton 914
ManufacturerHamilton
Launch Year1912
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 Dimensions18.37 ‴
Dimensions41.45 mm
Height4.95 mm
Further Measures: 14
Mounting Diameter (Dm): 40.8mm
Dial Collar: 0.4mm
Winding Gear: 0.3mm
Stem height (T): 2.1mm
Mounting Height (F): 0.1mm
Power Reserve46 hours
Frequency18,000 vph
Jewels17

Complications and Specifications

ShapeRound
Complications
  • Sub Second
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 Sizes1.55 x 0.95 / 0.16mm
Hand Count3
Country Of ManufactureUnited States
NotesRemarks: 1912-1923, 43099
open face calibre
sunk gold settings
negative stem mechanism
bimetallic screw balance with 4 adjustment screws
Breguet hairspring
Other data: balance staff: Ronda 1209/1221 (pivots 0,09/0,1mm) balance staff ronda: 1209 (12s) balance staff ronda: 1221 (12s)
Signature1921: 1907347, Hamilton Watch Co., Lancaster, Pa., 914, 17 Jewels, Adjusted, 3 Positions - 1907347

Compatible Parts

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

46 compatible part(s) available — Supporter feature.

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:32:56 PM
Loading...