Omega CK 651 'Medicus'

speedb · Dec 7, 2025

Omega CK651 'Medicus' circa 1938

This rare bird has the two-tone Silver / grey dial, which is complimented by a beautiful set of blued lance hands and second hand with oval counterweight.

The Cal. 23.4SC was cleaned, oiled and received a new mainspring in 2024. The plexi was replaced, but the original celluloid crystal will be sent as well.

Comes with vintage leather omega branded strap and a non-genuine omega buckle.
The crown is a genuine service replacement.

Note this watch has been listed on other sites!
Asking price does not include shipping.
Payment to be handled preferably through Wise, or by PayPal F+F
Feel free to DM with questions. Item is located in Melbourne, Australia.

I have provided a few of my seller reviews below:

https://omegaforums.net/threads/speedb-smooth-and-easy-transaction.181640/

Thread 'Speedb smooth and easy transaction' ·

Purchased his OJ 2894 as I very much missed a solid gold 267 that I had to let go eighteen years ago. Excellent packaging for the extended journey from the Land Down Under to Eastern US. The...

Fulton8or · Feb 28, 2025

https://omegaforums.net/threads/another-great-transaction-with-speedb.182931/

Thread 'Another great transaction with speedb' ·

Bravo to "speedb" for another seemless transaction where I was the buyer and he was the seller of a vintage Omega part. Not only well packed, quickly shipped and in perfect condition, but he was...

DIV · Apr 14, 2025

https://omegaforums.net/threads/excellent-transaction-with-speedb.173272/

Thread 'Excellent transaction with Speedb' ·

I recently completed a smooth transaction with SPEEDB where I was the buyer of a vintage Omega part.
Speedb was friendly, responsive to my questions, fair and he shipped the item quickly with...

DIV · Jun 9, 2024