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avilhena · 6 July 2018, 07:02 AM

I am very happy to have received my first PC. It is the IWC Portuguese Perpetual Calendar.

It uses the Perpetual Calendar Module created by Kurt Klaus attached to the IWC caliber 5000. At the time of its launch, the calibre 5000 was both the largest automatic movement in production, and also boasting the longest power reserve of any self-winding movement.

The PC Module was released in 1985 and it was revolutionary at the time, because previous to 1985 the perpetual calendar was a fragile complication.

Back then, you would have to use a series of fidgety pushers, integrated into the case, and a stylus to correct each and every one of these indications individually. Worse, in most perpetual calendars if you accidentally try to adjust it during the date changeover period, you can jam or damage the movement badly.

That's why the Kurt Klaus module was revolutionary, rather than having all the irritating pushers, he wanted all the indications controlled by the same crown used to set the time.

It was the first time a PC could be adjusted only by the crown, making it the most user friendly ever.

Having handled the watch, I can say that it is absolutely easy to adjust. The module is integrated, so as you move forward the date, everything else will follow.

The downside to this is that if you accidentaly passes the date, there is no turning back. You will have to wait for the watch to stop to catch up to the date set.

Also, another practicality of this watch is the 7 days Power Reserve. I think it suits the PC perfectly, so you dont have to adjust it to much.

That's it, now the pics:

Fujiman · 6 July 2018, 07:15 AM

Now, that there is a fine looking wristwatch!

indexmatch · 6 July 2018, 07:16 AM

Great looking watch, congrats!

Interesting info on the mechanism to set the date. I would be terrified to go past the current day, as I've been known to do

. But I guess that's why we have collections, and if I did go a bit too far it's probably a sign to save the IWC for tomorrow and wear something else

avilhena · 6 July 2018, 08:50 AM

Quote:

Originally Posted by Fujiman

Now, that there is a fine looking wristwatch!

Thank you! I think this is the most beautiful configuration for this model.

avilhena · 6 July 2018, 08:51 AM

Quote:

Originally Posted by indexmatch

Great looking watch, congrats!

Interesting info on the mechanism to set the date. I would be terrified to go past the current day, as I've been known to do

. But I guess that's why we have collections, and if I did go a bit too far it's probably a sign to save the IWC for tomorrow and wear something else

Thank you!!

alpharulez · 6 July 2018, 08:53 AM

Quote:

Originally Posted by avilhena

I am very happy to have received my first PC. It is the IWC Portuguese Perpetual Calendar.

It uses the Perpetual Calendar Module created by Kurt Klaus attached to the IWC caliber 5000. At the time of its launch, the calibre 5000 was both the largest automatic movement in production, and also boasting the longest power reserve of any self-winding movement.

The PC Module was released in 1985 and it was revolutionary at the time, because previous to 1985 the perpetual calendar was a fragile complication.

Back then, you would have to use a series of fidgety pushers, integrated into the case, and a stylus to correct each and every one of these indications individually. Worse, in most perpetual calendars if you accidentally try to adjust it during the date changeover period, you can jam or damage the movement badly.

That's why the Kurt Klaus module was revolutionary, rather than having all the irritating pushers, he wanted all the indications controlled by the same crown used to set the time.

It was the first time a PC could be adjusted only by the crown, making it the most user friendly ever.

Having handled the watch, I can say that it is absolutely easy to adjust. The module is integrated, so as you move forward the date, everything else will follow.

The downside to this is that if you accidentaly passes the date, there is no turning back. You will have to wait for the watch to stop to catch up to the date set.

Also, another practicality of this watch is the 7 days Power Reserve. I think it suits the PC perfectly, so you dont have to adjust it to much.

That's it, now the pics:

Excellent choice. Congrats!

This was on my list for a longtime... until I pulled the trigger on a JLC MUT QP which suited my slimmer wrists better.

Have fun with the piece. There is a lot of history there with the brand and the QP module.

Sent from my iPhone using Tapatalk

schoolboy · 6 July 2018, 11:14 AM

Congrats! That is quite a beauty.

That rotor looks nice too

Thanks for the information.

Good to know.

Enjoy !

Sent from my iPhone using Tapatalk

eviperman · 6 July 2018, 11:56 AM

Nice watch, congrats!

HL65 · 6 July 2018, 09:09 PM

Very nice congrats!

avilhena · 17 July 2018, 12:31 AM

Quote:

Originally Posted by schoolboy

Congrats! That is quite a beauty.

That rotor looks nice too

Thanks for the information.

Good to know.

Enjoy !

Sent from my iPhone using Tapatalk

Quote:

Originally Posted by eviperman

Nice watch, congrats!

Quote:

Originally Posted by HL65

Very nice congrats!

Thank you!!

benlee · 17 July 2018, 01:13 AM

Congrats! Wear it in good health.

CoveWatch · 17 July 2018, 01:16 AM

Beautiful! Congratulations!

Skyrider01 · 17 July 2018, 05:21 AM

Great looking piece, congrats!

Burlington · 17 July 2018, 05:36 AM

ABSOLUTELY beautiful!!

What a stunning watch. Really love these.

Is that the Santoni made croc strap or the IWC own one ?

Congratulations and wear in good health !

Justindo · 19 July 2018, 03:58 AM

That's a great looking watch and very legible for a perpetual calendar.

nick c · 19 July 2018, 04:28 AM

Beautiful, congratulations

CLG23 · 20 July 2018, 02:43 PM

Wow beautiful

Urosfan · 20 July 2018, 11:07 PM

Congrats

Jay (Eire) · 21 July 2018, 10:43 AM

A beauty, congratulations.

I've owned the white dial variant for 7 years or so. While the ease of adjustment through the crown is fantastically simple and was a motivating factor in my original acquisition I will say once the watch falls out of steady rotation there is a lot of crown winding to get back to the current date.

rice721 · 12 August 2018, 12:42 AM

a beautiful timepiece, one of my "grails", very jealous~

wear it in good health!

This is the rose gold version? The pictures seem to be a bit less "rose gold" than I thought it would be.

Trouble15 · 12 August 2018, 06:00 AM

Wow that's beautiful! Congrats!!

FTX I · 12 August 2018, 06:10 AM

ragsk · 13 August 2018, 05:38 AM

Such a gorgeous watch. Been thinking about this one for a while...

zSerity · 13 August 2018, 02:01 PM

Beautiful watch my man

avilhena · 14 August 2018, 03:15 AM

Quote:

Originally Posted by rice721

a beautiful timepiece, one of my "grails", very jealous~

wear it in good health!

This is the rose gold version? The pictures seem to be a bit less "rose gold" than I thought it would be.

Yes, this is the rose gold!

avilhena · 14 August 2018, 03:15 AM

Quote:

Originally Posted by zSerity

Beautiful watch my man

Quote:

Originally Posted by ragsk

Such a gorgeous watch. Been thinking about this one for a while...

Quote:

Originally Posted by FTX I

Quote:

Originally Posted by Trouble15

Wow that's beautiful! Congrats!!

Thank you guys!

Flybak · 16 August 2018, 08:43 PM

Stunning watch, congrats!

mikkoi · 17 August 2018, 12:28 AM

Very beautiful watch! Congrats!

Sent from my iPad using Tapatalk

ShingaMC · 17 August 2018, 01:05 AM

One of the watch in my wish list. Beautiful looking time piece. Wear in good health!

Sent from my iPhone using Tapatalk

6 July 2018, 07:02 AM	#1
avilhena "TRF" Member Join Date: Mar 2016 Location: Brazil Posts: 1,139	Perpetual Calendar Incoming!!!! I am very happy to have received my first PC. It is the IWC Portuguese Perpetual Calendar. It uses the Perpetual Calendar Module created by Kurt Klaus attached to the IWC caliber 5000. At the time of its launch, the calibre 5000 was both the largest automatic movement in production, and also boasting the longest power reserve of any self-winding movement. The PC Module was released in 1985 and it was revolutionary at the time, because previous to 1985 the perpetual calendar was a fragile complication. Back then, you would have to use a series of fidgety pushers, integrated into the case, and a stylus to correct each and every one of these indications individually. Worse, in most perpetual calendars if you accidentally try to adjust it during the date changeover period, you can jam or damage the movement badly. That's why the Kurt Klaus module was revolutionary, rather than having all the irritating pushers, he wanted all the indications controlled by the same crown used to set the time. It was the first time a PC could be adjusted only by the crown, making it the most user friendly ever. Having handled the watch, I can say that it is absolutely easy to adjust. The module is integrated, so as you move forward the date, everything else will follow. The downside to this is that if you accidentaly passes the date, there is no turning back. You will have to wait for the watch to stop to catch up to the date set. Also, another practicality of this watch is the 7 days Power Reserve. I think it suits the PC perfectly, so you dont have to adjust it to much. That's it, now the pics: __________________ Once you wear the crown, you can never go down.

6 July 2018, 09:09 PM	#9
HL65 TRF Moderator & 2024 SubLV41 Patron Join Date: Dec 2007 Real Name: Ken Location: SW Florida Watch: One on my wrist. Posts: 64,005	Very nice congrats! __________________ *SPEM SUCCESSUS ALIT*

17 July 2018, 01:13 AM	#11
benlee "TRF" Member Join Date: Dec 2012 Real Name: Ben Location: SIN & JKT Watch: Rolex, AP, PP Posts: 9,874	Congrats! Wear it in good health. __________________ Follow me on Instagram : benlee789

17 July 2018, 05:36 AM	#14
Burlington "TRF" Member Join Date: Nov 2017 Location: Europe Posts: 5,643	ABSOLUTELY beautiful!! What a stunning watch. Really love these. Is that the Santoni made croc strap or the IWC own one ? Congratulations and wear in good health ! __________________ “My tastes are simple; I am easily satisfied with the best.” ― Winston S. Churchill

17 August 2018, 01:05 AM	#29
ShingaMC "TRF" Member Join Date: Jul 2018 Location: California Posts: 79	Perpetual Calendar Incoming!!!! One of the watch in my wish list. Beautiful looking time piece. Wear in good health! Sent from my iPhone using Tapatalk

6 July 2018, 07:15 AM	#2
Fujiman Banned Join Date: May 2018 Location: USA Posts: 182	Now, that there is a fine looking wristwatch!

6 July 2018, 07:16 AM	#3
indexmatch "TRF" Member Join Date: Jan 2015 Location: SF Watch: BLNR, 116655, 5164 Posts: 191	Great looking watch, congrats! Interesting info on the mechanism to set the date. I would be terrified to go past the current day, as I've been known to do . But I guess that's why we have collections, and if I did go a bit too far it's probably a sign to save the IWC for tomorrow and wear something else

6 July 2018, 11:14 AM	#7
schoolboy Banned Join Date: Nov 2017 Real Name: Jesus Location: Texas Watch: 116234 Posts: 8,721	Congrats! That is quite a beauty. That rotor looks nice too Thanks for the information. Good to know. Enjoy ! Sent from my iPhone using Tapatalk

6 July 2018, 11:56 AM	#8
eviperman "TRF" Member Join Date: Mar 2018 Location: Monaco Posts: 123	Nice watch, congrats!

17 July 2018, 01:16 AM	#12
CoveWatch "TRF" Member Join Date: Nov 2017 Location: SoCal Watch: Rolex & AP Posts: 4,535	Beautiful! Congratulations!

17 July 2018, 05:21 AM	#13
Skyrider01 "TRF" Member Join Date: Oct 2014 Location: Florida/Canada Posts: 1,312	Great looking piece, congrats!

19 July 2018, 03:58 AM	#15
Justindo "TRF" Member Join Date: Dec 2017 Location: California Posts: 2,176	That's a great looking watch and very legible for a perpetual calendar.

19 July 2018, 04:28 AM	#16
nick c Banned Join Date: Feb 2012 Location: Canada Posts: 26,846	Beautiful, congratulations

20 July 2018, 02:43 PM	#17
CLG23 "TRF" Member Join Date: Jul 2018 Location: South Florida Posts: 89	Wow beautiful

20 July 2018, 11:07 PM	#18
Urosfan "TRF" Member Join Date: Oct 2012 Location: NYC Watch: Me now Posts: 19,372	Congrats

21 July 2018, 10:43 AM	#19
Jay (Eire) 2024 Pledge Member Join Date: Jul 2010 Real Name: @jb.watching Location: NYC Posts: 1,491	A beauty, congratulations. I've owned the white dial variant for 7 years or so. While the ease of adjustment through the crown is fantastically simple and was a motivating factor in my original acquisition I will say once the watch falls out of steady rotation there is a lot of crown winding to get back to the current date.

12 August 2018, 12:42 AM	#20
rice721 "TRF" Member Join Date: Jun 2015 Location: Los Angeles Posts: 71	a beautiful timepiece, one of my "grails", very jealous~ wear it in good health! This is the rose gold version? The pictures seem to be a bit less "rose gold" than I thought it would be.

12 August 2018, 06:00 AM	#21
Trouble15 "TRF" Member Join Date: Dec 2011 Real Name: Steve Location: USA Watch: A few Posts: 8,883	Wow that's beautiful! Congrats!!

12 August 2018, 06:10 AM	#22
FTX I "TRF" Member Join Date: Feb 2013 Real Name: Flavio Location: N/A Posts: 14,654

13 August 2018, 05:38 AM	#23
ragsk Banned Join Date: Jun 2018 Location: USA Posts: 1,505	Such a gorgeous watch. Been thinking about this one for a while...

13 August 2018, 02:01 PM	#24
zSerity "TRF" Member Join Date: Mar 2018 Location: Canada Posts: 16	Beautiful watch my man

16 August 2018, 08:43 PM	#27
Flybak "TRF" Member Join Date: Dec 2015 Location: Canada Watch: Enthusiast Posts: 1,606	Stunning watch, congrats!

17 August 2018, 12:28 AM	#28
mikkoi "TRF" Member Join Date: Jul 2018 Real Name: Mikko Location: Finland Posts: 1,437	Very beautiful watch! Congrats! Sent from my iPad using Tapatalk

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