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Eta Unitas 6497 1 2 Comparison Caliber Spec

ETA Unitas Caliber 6497-1 VS. 6497-2

Eta Unitas 6497 1 2 Comparison Drawings

What is the difference between caliber 6497-1 and 6497-2?

There are two variations of the ETA/Unitas 6497 including the 6497-1 and 6497-2. While they are both the same size, have 17 jewels, and a small seconds subdial at 6:00, there are two main differences that are important to keep in mind when choosing your 6497 powered watch…

Beat Rate:

The big difference between the two 6497 variants is that -1 beats at 18,800vph while the -2 beats at 21,600vph. The -2 can be found in watches like Panerai and typically costs more.

Power Reserve:

Another lesser known difference between the 6497-1 and 6497-2 is that the -1 has a power reserve of about 44 hours and the -2 has a power reserve of about 53 hours.

Price:

The -2 can be found in watches like Panerai and typically costs more.

Additional Resources:

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What do you think about ETA Unitas Caliber 6497-1 VS. 6497-2? Keep comments respectful and follow our community guidelines.

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Steven
Steven
• 5 years ago

The price is a big difference between these two. You can get a 1 for under $150 but good luck getting a 2 for under $300.

John S
John S
• 4 years ago

Where can you buy that 1?

Wostepmaker99
Wostepmaker99
• 5 years ago

Steven is right about the price but not all 6497-2 (most) have a beat of 21,600. I am a watchmaker and having just found this site I have caliber’s from 2 6497 base pan caliber. one beats at 18000vph and the newer is 21600, to do this and do it with the service ideas and lifestyles they want. NOTHING Eta was kept!. The train from the Main spring and lubricant were completely changed over a… Read more »

Stefan
Stefan
• 3 years ago

Where can I buy ETA 6497-2?

Benji
Benji
• 3 years ago

The the 6497-2 worth the extra money?

Pellas
Pellas
• 2 years ago

-2 has a much smoother sweeping seconds hand. For me I like the -2 better.

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