Eta Unitas Caliber 6498 2

ETA/Unitas Caliber 6498-2

Eta Unitas Caliber 6498 2

Caliber Number6498-2
Base Caliber6498
16.5”’ (36.6mm)
4.5mm thick
Vibrations Per Hour21,600 bph (3 Hz)
Power Reserve53 hours
Lift Angle
44 degrees
FunctionsHours, minutes, small seconds (at 6:00)
Country of ManufactureSwitzerland
Known Models
Too many to list (add yours in the comments below)

The ETA/Unitas caliber 6498-2 is part of ETA’s Mecaline Specialies line of movements. It is a hand-wound or manual-wound movement and is considered to be one of the most common mechanical calibers on the market. This is essentially a pocket watch movement that has been adopted by the wristwatch.

6498-1 vs 6498-2

The main difference between the 6498-1 and the 6498-2 is that the -1 beats at 18,800vph while the -2 beats at 21,600vph. Click here to learn more.

6497 vs 6498

The caliber 6498-2 is often mixed up with the ETA/Unitas 6497-2. The main difference between these two calibers is that the 6498 has the seconds subdial at 6:00 and the 6497 has the seconds at 9:00. Click here to learn more.

Eta Unitas Caliber 6498 2 Drawing

Extra Information:

Share your experiences with the ETA caliber 6498-2 in the comments below…

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4 years ago

This is my favorite movement. Easy to wind, looks great, keeps great time. I always thought the 2 was a newer version with some updates. Thank you for the information here, now I know it’s a high beat. Now I want to check all of my watches to see if they are 1 or 2.

Longines Heritage Military 1938 - The Truth About WatchesThe Truth About Watches
4 years ago

[…] 1938 is powered by a [thinner] handwound movement. Its Longines caliber 507.2 is based on the ETA/Unitas 6498/2, a modified pocket watch movement born just after World War […]

3 years ago

This is a lovely movement developed by Auguste Reymond

Tourby Old Military Vintage – SaFonaGastroCrono
3 years ago

[…] (a elección del comprador) que muestra en el interior un movimiento de reloj de bolsillo, el Unitas 6498, con un acabado dorado mate en la platina principal y que está altamente decorado. En definitiva, […]

El Disfrute De Hacerse Un Flieger - SaFonaGastroCrono
2 years ago

[…] este cambio, también me decanté por hacerle un “upgrade” al calibre, eligiendo un UNITAS 6498-2 elaboré para sustituir el clon de este movimiento que equipaba la versión original. Ya […]

1 year ago

I have a question: Caliber ETA 6498/98 corresponds to UNITAS 9498-2?

7 months ago

Unimate hand wound watch movement! Like a hi beat pocket watch. Perfection!

Venus Caliber 178
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