Need a part for this caliber? Supporters unlock the parts catalog, factory equivalents, and the donor finder that shows which other movements can supply the part you need. Become a Supporter

Updates to data and images are welcome from our readers.

ETA 2325

Update

Basic Information

Name	ETA 2325
Manufacturer	ETA
Launch Year	1950
Is COSC certified	No

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 Dimensions	8.75 ‴
Dimensions	19.7 mm
Height	3.45 mm
Further Measures	Mounting Diameter (Dm): 19.4mm Stem height (T): 1.7mm Mounting Height (F): 0.8mm
Power Reserve	40 hours
Frequency	18,000 vph
Jewels	17
Lift Angle	52 degrees

Complications and Specifications

Shape	Round
Complications	Sub Second Chronograph Stopwatch
Shock Protection	Incabloc
Regulator Type	Pinned Regulator (or Index Regulator)
Movement Type	Manual
Escapement Type	Swiss Lever
Control Type	Balance Wheel
Winding Type	Stem Winding (Crown)
Setting Type	Stem Set (Crown Pull)

Additional Information

Hand Sizes	1.20 x 0.60 / 0.22mm
Hand Count	3
Country Of Manufacture	Switzerland
Notes	Remarks: differences not known between 2325-2330, 2335-2339 likely just different bridge designs (cf. ETA 2329) Other data: balance staff: U708 stem: W1254 mainspring / battery: Zf1302, 1.60 x 8.0 x 0.09 x 250mm balance staff ronda: 3795 (8,75) balance staff ronda: 4445 (8,75) stem ronda: 840 (8,75) Mainspring: 1.600 x 7.500 x 0.085 x 260.000 mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 15, 17
Signature	ca. 1950: 2325, Ebel, Fab. Suisse, 86 - IX; Incabloc (Ebel 86, ETA 2325)
Import Codes	TXD — Illinois Watch Co., ETA

Compatible Parts

1408 other caliber(s) share compatible parts with this caliber.

65 compatible part(s) available — Supporter feature.

Metadata

Created At	Sep 15, 2023
Updated At	Apr 23, 2025, 11:32:07 PM