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Movement · ETA · automatic

ETA 2671 movement

ETA 2671 is an automatic movement by ETA: 17.2 mm1 across, 4.8 mm1 high, 251 jewels, beating at 28,800 bph1, 44 h1 of power reserve.

Sources checked · How we source numbers
ETA 2671: movement drawingETA 2671, dial side, to scale: movement diameter 17.2 mm; size 7¾‴; height 4.8 mm; hour, minute, second hand hole Ø — (unknown).movement Ø 17.27¾‴ as printed · Ø 17.2 = 7.62‴4.8SIDE · SECTION · height 4.8Ahour, minute, second hand hole Ø —DETAIL A · 10:1
ETA 2671, dial sideDrawing from data, not a photo · mm

ETA 2671 at a glance

Diameter
17.2 mm1
Height
4.8 mm1
Jewels
251
Beat rate
28,800 bph1
Power reserve
44 h1
Lift angle
49°1

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

Setting and servicing the ETA 2671

The figures a watchmaker or a timegrapher needs for the ETA 2671, as ETA prints them.

Lift angle
49°1
Power reserve
44 h1

All ETA 2671 figures

Every figure we hold for the ETA 2671, with its source. Where sources disagree, each value is shown.

Size

Size in lignes
7¾‴1
Diameter
17.2 mm1
Height
4.8 mm1

Running

Jewels
251
Beat rate
28,800 bph1
Power reserve
44 h1

Accuracy and care

Lift angle
49°1

Not published yet

  • Hands and functions: not published by ETA
  • 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
  • Do not set the date: not published by ETA

ETA 2671 questions

What is the lift angle of the ETA 2671?

49°, as ETA prints it. Enter 49° on a timegrapher to read amplitude correctly for the ETA 2671.

Source [1]

How long does the ETA 2671 run when fully wound?

About 44 h from a full wind, per ETA.

Source [1]

Sources

Documents checked · Report a wrong number

  1. 1ETA SA Manufacture Horlogère Suisse — Technical Communication CT 2671 (7 ¾''' ETA 2671) · pdf · read