Some of the topics covered in this caliber listing:
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 9:00, 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:
Trending Comments
ALTO Caliber A01
One of the coolest looking movements I've seen in a long time!
ALTO Caliber A01
What's with these prices. It's 20k and has the same regulating system in my $500…
Sunon Caliber PE11
Sunon is a part of GUANGZHOU Pearl Time Group, PE11 is the only repairable movement…
ETA Caliber 2824-2
Hi Craig, that would be the hour wheel. Tech sheets were added to the caliber…
Miyota Caliber 2115
Found in the Aviator branded Special OPS AVW78341G350. It ticks along with +2 sec./month, thats…
Active Caliber Listings
It seems that Oris has released version 2 (Cal 400-2) of this caliber, to address…
Question: What are actual experiences about reliability? I have a few ST19 watches in a…
So I can now update I took ownership of my Reverse Panda Glassbox 4 days…
The info from Seiko near the top of this thread says parts not 'convertible' -…
More like saying, my Ferrari-which I had to get their permission to buy-has to be…