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21 September 2009, 11:37 PM | #1 |
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1675 movement of 5.0mil?
I'm new in the forum.
May i know the 1675 in serial no 5.0mil is using 1560 movement or 1570 movement?cause i just get it from shop.I'm feel confuse and the shop told me 1675 have using cal.1560 Please help me in this 5.0mil 1675.What is original movement?If not,what situation become this? |
21 September 2009, 11:59 PM | #2 |
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For 1675 with 5 mil serial, it should come with cal 1570 already.
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22 September 2009, 12:57 PM | #3 |
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I just check my watch is using cal.1560 inside 5.0mil casing.What happen will become like this?
Jason |
23 September 2009, 01:15 AM | #4 |
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A couple of possibilities..
. Somebody replaced the movement, . Or the back plate was simply marked 1560 and used by Rolex because back then they didn't really expect anybody to open the watch except a watchmaker; so they used up whatever spares they had..
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23 September 2009, 01:38 AM | #5 | |
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Quote:
IF Orchi may ask...from whom have you bought the watch...? Cal. 1560(or 1565 in GMT) is older n a more expensive n RARE movement... It's the predecessor of the Cal.1570(or 1575 in GMT/Exp II) movement... Both of these Cal.movements are based on the earliest Cal.1530 movement... thus they share many common parts... Like Buddy Larry has advised you...it is possible that the previous watchmaker... had to use the Auto-Winding Rotor assembly of Cal.1560 movement to replace... the faulty one in the watch movement...where the marking is located... So your watch might still have a Cal.1570 movement...(other than the Auto Winding Rotor assembly change to the one with Cal.movement "1560" marking on it...) In another likelihood...your watch might have a complete Cal.1560 movement... BUT Orchi doubts this possibility as the Cal.1560 is more RARE n harder to get...to begin with. Nevertheless...it would be wise for you to post some pictures of your watch... n its movement in here for further discussions... |
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23 September 2009, 12:36 PM | #6 |
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I have a 1675 3.0mil with a Cal. 1560.
It's never been changed or sent to the RSC. I was told that a few 1675 (up to 4.0mil) were still equiped with Cal. 1560. |
23 September 2009, 02:26 PM | #7 |
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My 1675 GMT Photo
Thanks everybody to help me.
Now,i post some photo of my watch to forum. The below is my 5.0mil with cal.1560.Please check and discuss my watch,why should become to this situation?Please help me to check the dial,is original? |
23 September 2009, 10:16 PM | #8 | |
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Quote:
that Rolex ceased to produce Cal. 1560/5 movement by...1965... with the introduction of Cal.1570/5 movement in the same year... IF you had bought your 3.0mil case series 1675 since new...with provenance... n had not any recollection of having service done to the watch... your 1675 would be the only...1675 with Cal. 1560/5 movement... On the otherhand...if you had bought the watch used... it would be difficult to ascertain whether or not...the watch had ever been sent... for servicing... The Auto-Winding assembly is prone to wear n tear from heavy usage...or negligence... It is often changed during service...due to the lose Rotor Blade shaft gotten worn out easily...under those circumstance. Hence the previous watchmaker could have put in a Cal.1565 Butterfly Rotor Auto-Winding assembly into your watch... The easiest way to find out whether or not...the movement of your 1675 is indeed Cal.1565...is having the watchmaker check its alternation rating... The Cal.1560/5 alternates at 18,000 bph... The Cal.1570/5 alternates at 19,800 bph... |
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23 September 2009, 10:22 PM | #9 | |
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Quote:
The Auto Winding assembly(where the marking is located) has been changed... in your 1675 watch... Your 1675 watch has also an EARLIEST variant of Mk.1 Dial...on a later 5.0mil Case series... It also has a later replacement bracelet...(can't tell whether it's genuine or not from the picture.) n an early dated backcase cover...(IV.68) IF you had bought this watch from a seller named "Cheong"...do remember what the word means...in Cantonese... |
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24 September 2009, 02:58 AM | #10 |
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Orchi, thank you very much for you wisedom ;)
Is there a way to check if it is a 1560 with the movement's number? My father serviced the movement a few time since he bought it brand new in '73. He said he's never changed anything beside gaskets and the crown. I'd like to get a clear caseback to expose the unusual rotor blade. |
24 September 2009, 04:37 AM | #11 |
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Err buddy Ben...RSC may have a clear record of movement nos...
n its date of production...but outside of that... there has been little or no source of such complete record... Part of the reason(no accurate independent record) perhaps... the entire movement or its parts are subject to being replaced... under heavy wear or negligence(like water damaged which tends to happen)... just like the same could happen to worn out backcase cover... or even the entire case(if corroded)...though the latter is less likely. IF your watch was purchased in 1973... the watch would have been at least...37 or 38 years of age... as it might take up to a year for it to show up at the AD sale counter from production... before it could be sold... Unless the watch has been in long storage...over those many years... otherwise there would have been some more parts changed... besides the gasket n the crown...such as... its Crystal...main spring...date wheel...etc... n most likely the Auto-Winding Rotor assembly in particular... as it's prone to wear out. So safe always...you could have it placed on the alternator meter... to check whether...it has 18,000 bph or 19,800 bph... in order to determine for certainly whether the watch Cal. 1560/5 or not... |
24 September 2009, 10:55 AM | #12 |
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I'm not buying from that guy 'Cheong'.just from a guy doing watch selling business in my
hometown. So,now i understand your advice.my watch is indeed cal.1570...but,only changed the rotor by somebody....?May i know how we recognize the year of made of the case is used for what movement inside?Like Rolex sport model.1675,5512,5513,1680,1655 etc......? |
24 September 2009, 11:04 AM | #13 |
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Err buddy Jason..mostly probably only RSC or Rolex Geneva...would have those records...
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