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Movement · ETA · automatic

ETA 2893-2 movement

ETA 2893-2 is an automatic movement by ETA: 25.6 mm1 across, 4.1 mm1 high, 211 jewels, beating at 28,800 bph1, 42 h1 of power reserve.

Sources checked · How we source numbers
ETA 2893-2: movement drawingETA 2893-2, dial side, to scale: movement diameter 25.6 mm; size 11½‴; height 4.1 mm; hour, minute, second hand hole Ø — (unknown).movement Ø 25.611½‴ as printed · Ø 25.6 = 11.35‴4.1SIDE · SECTION · height 4.1Ahour, minute, second hand hole Ø —DETAIL A · 10:1
ETA 2893-2, dial sideDrawing from data, not a photo · mm

ETA 2893-2 at a glance

Diameter
25.6 mm1
Height
4.1 mm1
Jewels
211
Beat rate
28,800 bph1
Power reserve
42 h1
Lift angle
51°1

New to the terms? Read quartz vs automatic or watch movement types.

Setting and servicing the ETA 2893-2

The figures a watchmaker or a timegrapher needs for the ETA 2893-2, as ETA prints them.

Lift angle
51°1
Power reserve
42 h1

Same family at ETA

How each differs from the ETA 2893-2, worked out from the figures on its own page.

What can replace the ETA 2893-2

7 calibres of the ETA 28xx and Sellita SW200 / SW300 group checked against the ETA 2893-2: diameter, height, hand holes, date window, crown and dial feet. A verdict marked “not confirmed” lacks one of those figures for the ETA 2893-2 or the other calibre.

Not published, so not checked in several comparisons:

  • hand holes for ETA 2893-2, SW330-2, ETA 2824-2, ETA 2836-2, ETA 2892-A2, SW300-1 and SW220-1
  • date position for ETA 2893-2, SW330-2, SW300-1 and SW220-1
  • crown position for ETA 2893-2, SW330-2, ETA 2824-2, ETA 2836-2, ETA 2892-A2, SW200-1, SW300-1 and SW220-1
  • dial feet for ETA 2893-2, SW330-2, ETA 2824-2, ETA 2836-2, ETA 2892-A2, SW300-1 and SW220-1

  1. ETA 2893-2 → SW330-2

    Drop-in· not confirmed
    • =diameterSW330-2’s casing diameter matches ETA 2893-2’s movement diameter: 25.6 mm.
    • =heightSame height: 4.1 mm.

  2. ETA 2893-2 → ETA 2824-2

    Fits with changes· not confirmed
    • =diameterSame movement diameter: 25.6 mm.
    • ≠heightETA 2824-2 is 0.5 mm taller (4.6 mm vs 4.1 mm): check the room under the crystal and the case back; the hands sit higher.

  3. ETA 2893-2 → ETA 2836-2

    Fits with changes· not confirmed
    • =diameterSame movement diameter: 25.6 mm.
    • ≠heightETA 2836-2 is 0.95 mm taller (5.05 mm vs 4.1 mm): check the room under the crystal and the case back; the hands sit higher.

  4. ETA 2893-2 → ETA 2892-A2

    Fits with changes· not confirmed
    • =diameterSame movement diameter: 25.6 mm.
    • ≠heightETA 2892-A2 is 0.5 mm thinner (3.6 mm vs 4.1 mm): the dial and hands sit lower, so a spacer or a different stem height may be needed.

  5. ETA 2893-2 → SW200-1

    Fits with changes· not confirmed
    • =diameterSW200-1’s casing diameter matches ETA 2893-2’s movement diameter: 25.6 mm.
    • ≠heightSW200-1 is 0.5 mm taller (4.6 mm vs 4.1 mm): check the room under the crystal and the case back; the hands sit higher.
    • ≠functionsSW200-1 has no 24-hour hand: the dial and hands of ETA 2893-2 won’t match.

  6. ETA 2893-2 → SW300-1

    Fits with changes· not confirmed
    • =diameterSW300-1’s casing diameter matches ETA 2893-2’s movement diameter: 25.6 mm.
    • ≠heightSW300-1 is 0.5 mm thinner (3.6 mm vs 4.1 mm): the dial and hands sit lower, so a spacer or a different stem height may be needed.
    • ≠functionsSW300-1 has no 24-hour hand: the dial and hands of ETA 2893-2 won’t match.

  7. ETA 2893-2 → SW220-1

    Fits with changes· not confirmed
    • =diameterSW220-1’s casing diameter matches ETA 2893-2’s movement diameter: 25.6 mm.
    • ≠heightSW220-1 is 0.95 mm taller (5.05 mm vs 4.1 mm): check the room under the crystal and the case back; the hands sit higher.
    • ≠functionsSW220-1 has no 24-hour hand: the dial and hands of ETA 2893-2 won’t match.
    • ≠dateSW220-1 adds a day wheel: a date-only dial hides it, and the crown gets a day-setting step.

All ETA 2893-2 figures

Every figure we hold for the ETA 2893-2, with its source. Where sources disagree, each value is shown.

Size

Size in lignes
11½‴1
Diameter
25.6 mm1
Height
4.1 mm1

Running

Jewels
211
Beat rate
28,800 bph1
Power reserve
42 h1
Hands and functions
date, 24-hour hand1

Accuracy and care

Lift angle
51°1

Not published yet

  • Accuracy (maker): not published by ETA
  • Hacking seconds: not published by ETA
  • Hand holes: not shown: ETA keeps its drawings confidential
  • Dial feet: not shown: ETA keeps its drawings confidential
  • Stem part number: not shown: ETA keeps its drawings confidential
  • Do not set the date: not published by ETA

ETA 2893-2 questions

What is the lift angle of the ETA 2893-2?

51°, as ETA prints it. Enter 51° on a timegrapher to read amplitude correctly for the ETA 2893-2.

Source [1]

How long does the ETA 2893-2 run when fully wound?

About 42 h from a full wind, per ETA.

Source [1]

What can replace the ETA 2893-2?

From the published figures, the closest is the SW330-2: drop-in, not confirmed for every part. SW330-2’s casing diameter matches ETA 2893-2’s movement diameter: 25.6 mm.

More on movements

Sources

Documents checked · Report a wrong number

  1. 1ETA SA Manufacture Horlogère Suisse — Technical Communication CT 2893-2 (11 ½''' ETA 2893-2) · pdf · read