Hamilton 694A

Basic Information

NameHamilton 694A
Alternative NameETA 2472
Base CalibreETA 2472
ManufacturerHamilton
Launch Year1970
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 ‴
Dimensions26 mm
Height5.3 mm
Further MeasuresMounting Diameter (Dm): 25.6mm
Stem height (T): 1.85mm
Mounting Height (F): 1.4mm
Power Reserve42 hours
Frequency18,000 vph
Jewels17

Complications and Specifications

ShapeRound
Complications
  • Sweep Second
  • Date
Shock ProtectionKIF
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
NotesOther data: balance staff: U2226 / U3136 for balance with/without screws stem: W2426, W3226 mainspring / battery: Zf869, 1.30 x 9.5 x 0.105 x 300mm
Signatureca. 1970: Hamilton Watch Co, Swiss, 17 Jewels; Kif-Elastor
Import Codes

Compatible Parts

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

125 compatible part(s) available — Supporter feature.

Metadata

Created AtSep 15, 2023
Updated AtMay 26, 2026, 4:43:51 AM
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