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Jmd313 · 18 July 2020, 12:33 AM

Can anyone help with suggesting the correct action to take? This sub was passed down to me years ago and I have not had any issues until this morning when i took a look i noticed a dark spot which seems to be rust.

Spoonage · 18 July 2020, 12:38 AM

Mine had the same when I got it. It's a simple cleaning that needs to be done during servicing.

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linesiders · 18 July 2020, 12:47 AM

It may not be rust but a combination of rust, grime, and sweat that seeps into the the micro space between the bottom edge of the crystal and the midcase.

Optics of the acrylic crystal amplify it into the top of the crystal.

You will now see this on most every vintage plexi sub that has not been cleaned in a while

.

Jmd313 · 18 July 2020, 01:50 AM

Any suggestions for me to get this serviced or cleaned? I think this watch was last serviced in 2007, does it need to go to an AD and have them ship it out?

Tepeter1 · 18 July 2020, 11:14 AM

Phillip Ridley. He is on this forum.

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linesiders · 18 July 2020, 11:52 PM

Search this forum for service places near you - probably multiptle in NY area.

Yes, if it 13 years since last service it needs one. Have the watchmaker thoroughly clean the case, no polish, and replace the crystal if they cannot easily get the grime off. Be sure to mention how this is important to you.

Leave everything as intact as possible.

SAAS · 19 July 2020, 01:31 AM

Rust and or dirt where the rehaut meets the crystal in a 79090 means it’s authentic, LOL. It’s a very common 79090 “feature”. It will clean up well at service. I haven’t found good reliable service in NYC. I send my Tudors to LA Watch Works in California. I’ve had mixed results with Rolex Service Center NY it always worked out in the end but took multiple visits. With RSC it’s important to request and receive verification that you only want a movement service. No replacement of hands dials etc.

harry in montreal · 19 July 2020, 04:22 AM

My 7021 And 79090 have this brown surface rust. I still swim with mine each day in the summer.

nolaclarky · 29 August 2020, 10:36 AM

My 79090 had the same rust and it was a regular companion on may scuba trips with zero issues. I sent it off to Philip Ridley a few months ago and all is well and a full service with super dome acrylic to boot.

tekno · 31 August 2020, 09:18 AM

Quote:

Originally Posted by nolaclarky

My 79090 had the same rust and it was a regular companion on may scuba trips with zero issues. I sent it off to Philip Ridley a few months ago and all is well and a full service with super dome acrylic to boot.

Without the magnifier? How do you like it?

nolaclarky · 1 September 2020, 05:09 AM

Yes. Without cyclops. I love the look. Ridley said crystal should last 15-20 years so a good investment as well.

Spoonage · 1 September 2020, 05:16 AM

Here's mine with a super dome.

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Spoonage · 1 September 2020, 05:23 AM

I like it better than the flat top with cyclops.

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southtexas · 1 September 2020, 12:57 PM

Quote:

Originally Posted by linesiders

It may not be rust but a combination of rust, grime, and sweat that seeps into the the micro space between the bottom edge of the crystal and the midcase.

Optics of the acrylic crystal amplify it into the top of the crystal.

You will now see this on most every vintage plexi sub that has not been cleaned in a while

.

Haha that’s very true!

Sent from my iPhone using Tapatalk

18 July 2020, 12:47 AM	#3
linesiders 2024 ROLEX DATEJUST41 Pledge Member Join Date: Dec 2011 Location: RedSox Nation Watch: U Talkn Bout Wilis Posts: 5,421	It may not be rust but a combination of rust, grime, and sweat that seeps into the the micro space between the bottom edge of the crystal and the midcase. Optics of the acrylic crystal amplify it into the top of the crystal. You will now see this on most every vintage plexi sub that has not been cleaned in a while . __________________ I'm a sailor peg. And I've lost my leg. Climbing up the top sails. I've lost my leg!

18 July 2020, 11:52 PM	#6
linesiders 2024 ROLEX DATEJUST41 Pledge Member Join Date: Dec 2011 Location: RedSox Nation Watch: U Talkn Bout Wilis Posts: 5,421	Search this forum for service places near you - probably multiptle in NY area. Yes, if it 13 years since last service it needs one. Have the watchmaker thoroughly clean the case, no polish, and replace the crystal if they cannot easily get the grime off. Be sure to mention how this is important to you. Leave everything as intact as possible. __________________ I'm a sailor peg. And I've lost my leg. Climbing up the top sails. I've lost my leg!

18 July 2020, 12:38 AM	#2
Spoonage 2024 ROLEX DATEJUST41 Pledge Member Join Date: Aug 2014 Location: California Posts: 3,061	Mine had the same when I got it. It's a simple cleaning that needs to be done during servicing. Sent from my Pixel 4 XL using Tapatalk

18 July 2020, 01:50 AM	#4
Jmd313 "TRF" Member Join Date: May 2019 Location: NYC Posts: 2	Any suggestions for me to get this serviced or cleaned? I think this watch was last serviced in 2007, does it need to go to an AD and have them ship it out?

18 July 2020, 11:14 AM	#5
Tepeter1 "TRF" Member Join Date: Aug 2016 Location: USA Posts: 90	Phillip Ridley. He is on this forum. Sent from my iPhone using Tapatalk

19 July 2020, 01:31 AM	#7
SAAS "TRF" Member Join Date: May 2011 Location: NYC Posts: 546	Rust and or dirt where the rehaut meets the crystal in a 79090 means it’s authentic, LOL. It’s a very common 79090 “feature”. It will clean up well at service. I haven’t found good reliable service in NYC. I send my Tudors to LA Watch Works in California. I’ve had mixed results with Rolex Service Center NY it always worked out in the end but took multiple visits. With RSC it’s important to request and receive verification that you only want a movement service. No replacement of hands dials etc.

19 July 2020, 04:22 AM	#8
harry in montreal "TRF" Member Join Date: Jan 2009 Location: Montreal Watch: The Habs pick 1st! Posts: 3,589	My 7021 And 79090 have this brown surface rust. I still swim with mine each day in the summer.

29 August 2020, 10:36 AM	#9
nolaclarky "TRF" Member Join Date: Mar 2014 Location: new orleans Posts: 266	My 79090 had the same rust and it was a regular companion on may scuba trips with zero issues. I sent it off to Philip Ridley a few months ago and all is well and a full service with super dome acrylic to boot.

1 September 2020, 05:09 AM	#11
nolaclarky "TRF" Member Join Date: Mar 2014 Location: new orleans Posts: 266	Yes. Without cyclops. I love the look. Ridley said crystal should last 15-20 years so a good investment as well.

1 September 2020, 05:16 AM	#12
Spoonage 2024 ROLEX DATEJUST41 Pledge Member Join Date: Aug 2014 Location: California Posts: 3,061	Here's mine with a super dome. Sent from my Pixel 4 XL using Tapatalk

1 September 2020, 05:23 AM	#13
Spoonage 2024 ROLEX DATEJUST41 Pledge Member Join Date: Aug 2014 Location: California Posts: 3,061	I like it better than the flat top with cyclops. Sent from my Pixel 4 XL using Tapatalk

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