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Rolex Chronograph 6234 Black & White (modded)

michel7752

Active Member
18/4/14
304
78
28
Switzerland
The Rolex Chronograph 6234 is a forerunner of the Rolex Daytona and was launched in 1955. The following 3 photos of gen watches are from Stefano Mazzariol's Blog:

Gen%206234%20c_zpszzotuhrh.jpg


Gen%206234%20d_zpsulqrujpc.jpg


GEN%206234%20a_zpsli3ohj1z.jpg


I liked the vintage look of this watch so much that I had to by buy both, one with the black and one with the white dial.
Our TDs sell this watch with the trusted ST-19 hand-wound movement. The 37mm case is the same that the Cartel uses for their famous vintage Daytonas 6239,06241, 6263, 6265 etc. In fact, "6263" is stamped between the lugs.
The problem is that the lugs of this Daytona case are much longer and more pointed that the lugs of the gen 6234 case. For comparison look at the unmodded 6234 just after I received (I only substituted the metal bracelet with a leather band):

Cartel%201_zpscd5bsrbo.jpg


Apart from the difference in the lugs you will also notice the thick clumsy subdial hands which appear to be out of proportion. Eagle eyes will detect that the indicator at 2 o'clock is misplaced and needs some rotation.

To correct these flaws I asked for the services of modder Kenny from next door. He had done some work for me already in the past. I had sourced the thinner, more elegant subdial hands, and two new Clark tropic crystals. For only a few dollars, those plexi always work wonder.
But most of the work consisted in shortening the lugs and make them look more blunt like the gen lugs.


Here the result:

20170509_170309%205_zpsporhe7uo.jpg


20170509_174858%201_zps611plkk5.jpg


20170509_170206%203_zpsw9p5e3ee.jpg


20170509_170041%202_zpszmvvrg9w.jpg


20170509_165958%202_zpsfxsdedsz.jpg


20170509_165819%202_zps90nkudls.jpg


20170509_165741%202_zpsuul30ugk.jpg


20170509_165643%202_zpssdoinjxa.jpg


20170509_165459%201_zpsjfbqtpmd.jpg


20170509_165332_zpsa2bxokfu.jpg


20170509_165311_zpstiasvtmw.jpg


20170509_165241_zpsrkev2s85.jpg




Hence, with only a few mods this watch can be transformed into a beautiful and quite gen-like vintage piece. The next step could be some aging...
 

R2L

Respected Member
Patron
Certified
17/4/14
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Beautiful! Bro!

Question: did you or Kenny also do something to fix the lugs, or did you leave them as they came?


Sent from my iPad using Tapatalk
 

michel7752

Active Member
18/4/14
304
78
28
Switzerland
Beautiful! Bro!

Question: did you or Kenny also do something to fix the lugs, or did you leave them as they came?


Sent from my iPad using Tapatalk

Yes, Kenny must have invested many hours to shorten the lugs and make them look more blunt like the gen lugs. I had sent him some pics of the gen case.
 

R2L

Respected Member
Patron
Certified
17/4/14
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Yes, Kenny must have invested many hours to shorten the lugs and make them look more blunt like the gen lugs. I had sent him some pics of the gen case.

Very nicely done! I thought I saw something different in your "After" pics but I wanted to confirm.


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geeboo

Getting To Know The Place
14/6/20
15
6
3
Hong Kong
I want to do a mod myself too.
However, what pull me now is :
1) the minute hand is longer in the rep - should point to the inner circle rather than outer circle.
2) the button & crown opening is deadfully wrong - they have used screwd pusher & 702 crown size (Daytona) - which is way too big - that cannot be mended unfortunately.
3) other than your mod U have done, the GEN's centre chrono hand is without an arrow.