ETA Caliber 2892-2536 Additional indicator maintaining small

Quantity	Discount (%)	Price
1 - 2	—	$4.00
3 - 4	5 %	$3.80
5 - 9	7 %	$3.72
10 - 14	10 %	$3.60
15+	15 %	$3.40

Quantity

Discount (%)

Price

1 - 2

—

$4.00

3 - 4

5 %

$3.80

5 - 9

7 %

$3.72

10 - 14

10 %

$3.60

15+

15 %

$3.40

Product Description

This is a genuine Swiss-made ETA 2892-2536 additional indicator maintaining small wheel, a critical transmission component within the additional indicator module fitted to ETA 2892 and 2892-A2 automatic movements. Introduced in 1975, the 2892’s slim 3.6mm height and exceptional precision have made it one of the most widely used base movements in high‑end watchmaking. Upon this base, brands and module manufacturers such as Dubois Dépraz build additional complications including power‑reserve indicators, GMT/second time zone displays, multi‑calendar systems, and other features, requiring a dedicated auxiliary gear train.

The 2892‑2536 sits at the core of this additional indicator train, transmitting motion from the main gear train to the complication module to drive auxiliary hands with stable, precise torque. This genuine OEM part replaces the original wheel when its teeth become worn, its bearing hole develops excessive play, or its pivot is broken, restoring reliable complication function.

Features & Function

Genuine Quality: Factory‑produced by ETA Switzerland, brand new, fully compliant with original material and precision standards.

Compatible Movements: ETA 2892 and 2892‑A2 automatic calibers fitted with additional complication modules, including power‑reserve indicators, GMT/second time zone displays, full calendars, and other auxiliary functions.

Part Number: ETA 2892.2536.

Auxiliary Indicator Principle: When a complication module is mounted on the base 2892 movement, it requires a dedicated power take‑off from the main gear train to drive the additional indicator hand (e.g., power‑reserve hand or GMT hand). The 2892‑2536 maintains and transmits this torque, serving as a critical transfer wheel within the auxiliary gear train.

Construction: Typically a combined steel wheel and pinion, possibly with a hub or flange for secure positioning within various module geometries.

Repair Value: When an auxiliary function such as a power‑reserve or GMT indicator fails to operate correctly, the 2892‑2536 should be a primary suspect. Once wear or damage is confirmed, genuine replacement is the most reliable path to restore full complication functionality.

FAQ

Q1: My GMT watch’s second hand sometimes moves out of alignment. Is the 2892‑2536 likely to be the cause?
A: Possibly. The most common cause of GMT hand misalignment is incorrect zero‑point calibration of the module gear train during assembly. If the hand shifts spontaneously after setting or shows inconsistent position, wear or excessive backlash in the gear train (including the 2892‑2536) is likely. The module must be opened for inspection.

Q2: Can I remove the 2892‑2536 for cleaning during module service?
A: Yes, but only after fully disassembling the complication module. The 2892‑2536 is very small, and its pivot ends have a precise chamfered profile matched to its jewel holes – there is no interchangeability tolerance. Use tweezers steadily and never touch the pivot ends by hand. After cleaning, reinstall the wheel, verify pivots are fully seated, and check rotation before securing the bridge.

Q3: I’ve replaced the 2892‑2536 but my complication function is still sluggish. What’s wrong?
A: The issue may be incorrect meshing depth or excessive play in adjacent wheels. The axial position of the 2892‑2536 is fixed, but the drive wheel or driven wheel may have vertical play due to worn jewels, altering the engagement condition. When replacing the 2892‑2536, also inspect the endshake and side‑clearance of all mating wheels in the complication module, and replace them as needed.

Q4: After replacing the 2892‑2536, the complication hand binds slightly or springs back. How to fix?
A: Slight binding or spring‑back usually indicates excessive play in the gear train. First, check that the complication bridge is correctly tightened; insufficient pressure allows wheels to shift axially during rotation. Adjust bridge torque. If the issue persists, replace the entire mating gear train within the module.