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Mike1066 · 15 October 2011, 10:12 PM

Guys:

Alright, I'm amashamed by this post. I've been a Rolex dive watch fan for waaaay too long not to know the answer to this question. But, in my defense, I've only researched the 16600, 1665 and 1680 Red, since they are my favorites, so cut me some slack here.

But the question is: What is the difference between the 5512 and 5513? Just the movement? I know some of the dial variations (Bart Simpson, gilt, meters first, etc.) but what is the main difference? Thanks, and again, sorry for the dumb question.

V/R

Mike

padi56 · 15 October 2011, 10:17 PM

The 5512 was COSC tested.

Submarino · 15 October 2011, 10:20 PM

As Padi said it's been COSC tested, therefore the dial is a 4 liner instead of a 2 liner.

Beaumont Miller II · 15 October 2011, 10:39 PM

The main difference is the fact that the 5512 has the chronometer rated movement and the 5513 does not. 5512's produced with 2 lines of print on the dial do not have the chronometer rating on the dial. As the 5513 started production, they needed to have a way to tell the difference between the two references. So the 5512 started to have 4 lines of print, the last two reading "superlative chronometer officially certified". The 5513 just had 2 lines of print. Both were made with gilt gloss dials and pointed crown guards early on.

Beaumont Miller II · 15 October 2011, 10:49 PM

Padi and Submarino you guys are fast. When I saw that no one had responded I started with my response. By the time I posted, both of you had responded to the OP's question. People helping people. That's what makes TRF so great. HAGWE.

Submarino · 15 October 2011, 11:34 PM

You're the man!!!

mike · 16 October 2011, 01:39 AM

Early 5513s & 5512s can both be found with cal. 1530 movements. However, with the introduction of a free sprung balance with micro stella adjusters on the balance wheel & a Breguet overcoiled hairspring on the cal. 1560 ca. 1959-60 (and improved with the cal. 1570, ca. 1965) and the relative ease of achieving SCOC specs due to these improvements, these movements became Rolex's choice for their Chronometer-grade watches. The cal. 1520 was developed as a cheaper alternative for non-Chronometer watches only--Air-King, 5513 Sub, etc.--ca. 1965, as it uses a flat hairspring and a normal 'stick' regulator.
As an aside, there is a school of that holds that the very earliest 5512s (those manufactured prior to the ca. 1961-2 intro of the 5513) were not all submitted for chronometer testing, and this is why a majority of the earliest 5512 dials bear no OCC or SCOC markings and also why one can find cal. 1530 movements in both pre-cal. 1560 5512s and the early 5513s. In fact, throughout the years of its use, the cal. 1530 is only very infrequently found in SCOC watches and much more often in Precision or Super-Precision models. But while this is an interesting theory it remains only that for now

Mike1066 · 16 October 2011, 02:37 AM

THanks guys. One last question: I know that on some of the subs, there is a circle around the minute markers. I think this is called a "chapter ring"? I could be wrong on that. Is this circle only on 5512s? THANKS!

mike · 16 October 2011, 02:53 AM

Quote:

Originally Posted by Mike1066

THanks guys. One last question: I know that on some of the subs, there is a circle around the minute markers. I think this is called a "chapter ring"? I could be wrong on that. Is this circle only on 5512s? THANKS!

No, other references had it. I want to say till about 63/4ish.

T5AUS · 16 October 2011, 05:07 AM

Quote:

Originally Posted by Mike1066

Guys:

I know some of the dial variations (Bart Simpson, gilt, meters first, etc.) but what is the main difference? Thanks, and again, sorry for the dumb question.

V/R

Mike

Whatever is a Bart Simpson dial, do we have to call it that...

(and I am a big fan of the Simpsons)

Great info guys

Jagatai · 16 October 2011, 09:12 AM

Mike what a thorough explanation! You should seriously consider writing a book.

mcjp6 · 16 October 2011, 09:36 AM

Quote:

Originally Posted by T5AUS

Whatever is a Bart Simpson dial,

Hi Phil, Some variations of the Rolex coronet are shaped with a relatively flat top. Some people say this then looks similar to Bart's flat top hair style. Hence it is a Bart Simpson dial...

for example (not my pictures).........

T5AUS · 16 October 2011, 01:39 PM

Quote:

Originally Posted by mcjp6

Hi Phil, Some variations of the Rolex coronet are shaped with a relatively flat top. Some people say this then looks similar to Bart's flat top hair style. Hence it is a Bart Simpson dial...

for example (not my pictures).........

now that's imagination
Thanks Michael

15 October 2011, 10:12 PM	#1
Mike1066 "TRF" Member Join Date: Aug 2009 Location: San Diego, CA Watch: 16600 Posts: 728	5512 vs. 5513 - What's the Difference? Guys: Alright, I'm amashamed by this post. I've been a Rolex dive watch fan for waaaay too long not to know the answer to this question. But, in my defense, I've only researched the 16600, 1665 and 1680 Red, since they are my favorites, so cut me some slack here. But the question is: What is the difference between the 5512 and 5513? Just the movement? I know some of the dial variations (Bart Simpson, gilt, meters first, etc.) but what is the main difference? Thanks, and again, sorry for the dumb question. V/R Mike __________________ V/R Mike

15 October 2011, 10:17 PM	#2
padi56 "TRF" Life Patron Join Date: Jun 2005 Real Name: Peter Location: Llanfairpwllgwyng Watch: ing you. Posts: 53,240	The 5512 was COSC tested. __________________ ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder

15 October 2011, 10:20 PM	#3
Submarino "TRF" Member Join Date: Aug 2009 Real Name: Mr. H Location: Dallas Watch: them for me! Posts: 7,180	As Padi said it's been COSC tested, therefore the dial is a 4 liner instead of a 2 liner. __________________ WATCHES ARE THE NEW CURRENCY!/ MEMBER 27491/OFFICIALLY DESIGNATED OLD TIMER /AP OWNERS CLUB MEMBER Instagram @watchcollectinglifestyle

15 October 2011, 10:39 PM	#4
Beaumont Miller II "TRF" Member Join Date: Nov 2008 Location: USA Posts: 2,615	The main difference is the fact that the 5512 has the chronometer rated movement and the 5513 does not. 5512's produced with 2 lines of print on the dial do not have the chronometer rating on the dial. As the 5513 started production, they needed to have a way to tell the difference between the two references. So the 5512 started to have 4 lines of print, the last two reading "superlative chronometer officially certified". The 5513 just had 2 lines of print. Both were made with gilt gloss dials and pointed crown guards early on. __________________

15 October 2011, 10:49 PM	#5
Beaumont Miller II "TRF" Member Join Date: Nov 2008 Location: USA Posts: 2,615	Padi and Submarino you guys are fast. When I saw that no one had responded I started with my response. By the time I posted, both of you had responded to the OP's question. People helping people. That's what makes TRF so great. HAGWE. __________________

15 October 2011, 11:34 PM	#6
Submarino "TRF" Member Join Date: Aug 2009 Real Name: Mr. H Location: Dallas Watch: them for me! Posts: 7,180	You're the man!!! __________________ WATCHES ARE THE NEW CURRENCY!/ MEMBER 27491/OFFICIALLY DESIGNATED OLD TIMER /AP OWNERS CLUB MEMBER Instagram @watchcollectinglifestyle

16 October 2011, 01:39 AM	#7
mike "TRF" Member Join Date: Jul 2005 Posts: 22,682	Early 5513s & 5512s can both be found with cal. 1530 movements. However, with the introduction of a free sprung balance with micro stella adjusters on the balance wheel & a Breguet overcoiled hairspring on the cal. 1560 ca. 1959-60 (and improved with the cal. 1570, ca. 1965) and the relative ease of achieving SCOC specs due to these improvements, these movements became Rolex's choice for their Chronometer-grade watches. The cal. 1520 was developed as a cheaper alternative for non-Chronometer watches only--Air-King, 5513 Sub, etc.--ca. 1965, as it uses a flat hairspring and a normal 'stick' regulator. As an aside, there is a school of that holds that the very earliest 5512s (those manufactured prior to the ca. 1961-2 intro of the 5513) were not all submitted for chronometer testing, and this is why a majority of the earliest 5512 dials bear no OCC or SCOC markings and also why one can find cal. 1530 movements in both pre-cal. 1560 5512s and the early 5513s. In fact, throughout the years of its use, the cal. 1530 is only very infrequently found in SCOC watches and much more often in Precision or Super-Precision models. But while this is an interesting theory it remains only that for now

16 October 2011, 02:37 AM	#8
Mike1066 "TRF" Member Join Date: Aug 2009 Location: San Diego, CA Watch: 16600 Posts: 728	THanks guys. One last question: I know that on some of the subs, there is a circle around the minute markers. I think this is called a "chapter ring"? I could be wrong on that. Is this circle only on 5512s? THANKS! __________________ V/R Mike

16 October 2011, 09:12 AM	#11
Jagatai "TRF" Member Join Date: Dec 2010 Real Name: Philip Location: NY Posts: 851	Mike what a thorough explanation! You should seriously consider writing a book.

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