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Refrence guide for xtals

mrrobot

Getting To Know The Place
14/7/16
40
22
8
Resurrecting to say thanks smoke! This cleared up some slight confusion on which is correct for sub-c.


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Rbrobson

Getting To Know The Place
4/9/19
31
4
8
Smoke / All -

I was wondering if anyone can break down what the various components of the ref number mean (ex. B25-295-CAR-V5-C1)

B25: ???
295: ???
CAR: Cyclops / Anti-reflect
V5: ???
C1: ???

I ask because I am building a YM (40mm) 116622. Based on previous research I purchased a B25-295-CAR-V5-C1 crystal. But this thread lists the "V3" version for the 116622. I am trying to figure out if i need to buy a new crystal, or if the V3 vs V5 is just a gasket or something.

Appreciate any help!
 
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john doe iii

Active Member
23/6/15
295
90
28
CONUS
Smoke / All -

I was wondering if anyone can break down what the various components of the ref number mean (ex. B25-295-CAR-V5-C1)

B25: ???
295: ???
CAR: Cyclops / Anti-reflect
V5: ???
C1: ???

I ask because I am building a YM (40mm) 116622. Based on previous research I purchased a B25-295-CAR-V5-C1 crystal. But this thread lists the "V3" version for the 116622. I am trying to figure out if i need to buy a new crystal, or if the V3 vs V5 is just a gasket or something.

Appreciate any help!

Gasket size.


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srhoque

Respected Member
28/11/18
3,259
2,466
113
or Rolex b25-318-c-v4-v1 ?

The ARF DJ41 126334 took B25-318-c2-c1. Probably VSF will be the same.

No sure but b25-318-c-v4-v1 is probably the same but with different gasket sizes in the package.
 

Tijdwijzer

Renowned Member
24/11/20
962
605
93
Europe
The ARF DJ41 126334 took B25-318-c2-c1. Probably VSF will be the same.

No sure but b25-318-c-v4-v1 is probably the same but with different gasket sizes in the package.

Is a gen gasket necessary when installing a gen crystal in the ARFv3 datejust? Or will the ARF gasket be OK?
 

McPwn

Active Member
21/9/20
291
116
43
The ARF DJ41 126334 took B25-318-c2-c1. Probably VSF will be the same.

No sure but b25-318-c-v4-v1 is probably the same but with different gasket sizes in the package.

Looking for Gen Xtal for DJ41 and found some for b25-318-c-v4-v1, think it should work?
 

paulvillo

Renowned Member
6/6/13
696
50
28
No date gen xtal vs rep dial with Cyclops removed is not much diffent. So I would not bother with a gen no date xtal

Interesting! Got dragged back in after the latest necrobump by [mention]McPwn [/mention] only to read this.

Been on the fence about replacing my Noob/BK/PBDad 114060 for ages... thanks once again [mention]smoke [/mention] ;)
 
Last edited:

Gaz1a

Franken Monster
Patron
Certified
6/4/21
630
387
63
LAX
Hi,

I’ve read the xtal guide by OP - which is an incredible guide thank you. But I’m slightly confused, I got offered this… but the numbers don’t match the sequence on this thread for 16610… is this still accurate for 16610 - as in no AR on cyclops. I just wanted to check as this is “b25-295-c4-c1” and not “b25-295-c2-c4”

 

Gaz1a

Franken Monster
Patron
Certified
6/4/21
630
387
63
LAX
If anyone has B25-295-c2-c4 in their drawers, please reach out. Thanks
 

Rubiss

Active Member
19/9/21
207
15
18
Hello
what is the reference of genuine rolex sapphire crystal?
i am looking for one to install it on gmt clean factory