Big Bevel Omega Speedmaster 2998-4 case-back

The Master of Speed · Jul 16, 2022

Recently noticed something that is very interesting in my opinion.

I have stumbled upon a couple of 2998-4 in the serial range 17.764.xxx

Both examples appear to have a case-back with particularly asymmetric bevels compared to standard examples.

If anybody happens to have noticed something similar or can provide insight would be much appreciated!

WhatsApp Image 2022-07-16 at 12.37.09.jpeg

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Seaborg · Jul 16, 2022

Extensive polishing due to previous gauged caseback (you know, the famous scisors marks...).

The Master of Speed · Jul 17, 2022

I don't think so...

few examples

1

2

3

4

The Master of Speed · Jul 17, 2022

..and here a 2998-4 "standard" case-back

The Master of Speed · Jul 17, 2022

compared

darthjord · Jul 17, 2022

interesting find. it does seem to me that it's not a result of over polishing.

M'Bob · Jul 17, 2022

The Master of Speed
I don't think so...

few examples

1

2

3

4

Great sleuthing!

Pianist · Jul 17, 2022

I also noticed that particularity.
Here is an unpolished 2998-4, serial 17.765.xxx.

td69 · Jul 18, 2022

Same here a few more 2998-4s that come with this big-bevel case back and two of the three below with serial 17.765.XXX. Also one from this thread a few months ago: https://omegaforums.net/threads/omega-speedmaster-2998-4-value.143835/

Notice some similarities like the hard stamp on "2998 - 4" and the more centered perlage polishing inside the case back.