cobrajet25
Needs a Life!
"Underweared curmudgeon!"
Posts: 3,357 
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Post by cobrajet25 on Feb 17, 2014 21:36:34 GMT -8
So a month or two ago, I got this nice little '69 6119-6020 5Sports from a thrift store's online auction site. It is in nice shape and runs well, but I wanted to wear it. I won't wear a watch unless I can reseal it to keep water out, so that meant I had to hunt for a crown gasket.  This model does not take a replaceable crown gasket...the crown is meant to be replaced as a unit along with the gasket inside. The crown, PN 60W06NS1, is a bit hard to find. Fortunately, Jonathan (JMK_500, Swedefreak) had a NOS one and was kind enough to send it along to me. If you are reading this Jonathan, thanks again! I was disappointed to find, however, that my new crown had a hardened gasket. The crown gasket was so stiff, the crown wouldn't even push over the stem tube. I tried a few different things to soften it up, but nothing worked. Bummer. The watch sat on my bench for a couple months while I decided what I could do. I was bored tonight, so I dug it out. Looking at the crown Jonathan sent along, I thought maybe I could dig the old, hard crown gasket out. After about 20 minutes digging with screwdrivers and straight pins, I had the gasket out...in pieces. Looking at the channel inside the crown, where the gasket sits, I wondered if I had a gasket that might fit. The book lists a DJ0160B, but that is for the LATER watches with the small crown also found on the 6139-600x. I tried that, and it was way too small. I had an 0K0240B0A left over in my box of gaskets. This is the gasket that is used to reseal the 6309/6306 divers, and is very common. Judging by the fragments of the old gasket that were on my bench, it looked like the 0K0240B0A might be...close! Turns out, this gasket works perfectly in these old crowns. The hardest part is getting the old gasket OUT. Chances are it will come out in pieces. There is also a little circular "perch" that goes around the stem inside the crown that will have to be transferred from your old crown for the stem spring to sit on. Lube the new gasket up, and it will slip in with a little wiggling. When it's all back together, the crown will be nice, tight, and waterproof...probably sealed up better than new. |
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Post by seikoholic on Feb 18, 2014 2:55:28 GMT -8
those are great divers. I'm always flummoxed that they're not more popular than they are. The prices for them are really still quite stupid low.
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cobrajet25
Needs a Life!
"Underweared curmudgeon!"
Posts: 3,357
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Post by cobrajet25 on Feb 18, 2014 3:25:35 GMT -8
those are great divers. I'm always flummoxed that they're not more popular than they are. The prices for them are really still quite stupid low. If I had to hazard a guess, I'd say it is because of their size. They are only about 38mm. Were they around 42mm, I think they'd be more popular. |
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Post by SeikoPsycho on Feb 18, 2014 4:02:37 GMT -8
Nice score Aaron! That's the first time I've seen one on that bracelet. Is it original to the watch?
I've been collecting the 6119-602X series of sport divers for some time and have managed to acquire all five dial color variations: Blue, black, yellow, silver and green. I like the case because it resembles the 6139-600x case lines. A few things I have noticed are that the 6119-6020's use the large crown and the 6119-6023's use the small crown. The same crown used on the 6139-600x's. Another difference is the 6020's have no inner bezel tension spring, probably due to additional friction provided by the larger crown gasket while the 6023's do have an inner bezel tension spring.
Another alternative to replacing a hard crown gasket that's difficult to change may be soaking the crown in a solution of K+W transX. This is an additive intended for softening hard rubber seals in automatic transmissions to stop leaks. It softens and swells hard rubber and is available in most auto parts stores. Believe it or not, it's one additive that does work.
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cobrajet25
Needs a Life!
"Underweared curmudgeon!"
Posts: 3,357
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Post by cobrajet25 on Feb 18, 2014 4:38:32 GMT -8
Nice score Aaron! That's the first time I've seen one on that bracelet. Is it original to the watch? I've been collecting the 6119-602X series of sport divers for some time and have managed to acquire all five dial color variations: Blue, black, yellow, silver and green. I like the case because it resembles the 6139-600x case lines. A few things I have noticed are that the 6119-6020's use the large crown and the 6119-6023's use the small crown. The same crown used on the 6139-600x's. Another difference is the 6020's have no inner bezel tension spring, probably due to additional friction provided by the larger crown gasket while the 6023's do have an inner bezel tension spring. Another alternative to replacing a hard crown gasket that's difficult to change may be soaking the crown in a solution of K+W transX. This is an additive intended for softening hard rubber seals in automatic transmissions to stop leaks. It softens and swells hard rubber and is available in most auto parts stores. Believe it or not, it's one additive that does work. Thanks! The bracelet on this one is interesting. It has a "Seiko 5Sports" buckle, which is one of the reasons I bought it. I assumed it was original to the watch, though, like you, I didn't really know what these early 6119-6020s came with new. I don't recall ever having seen one on what I know to be an original bracelet. I looked at the endpieces, knowing that some late '60s endpieces were marked with the actual case number they were meant for instead of a part number. They were marked "6119 813". So this bracelet was meant for a 6119-8130, like this one...  These two models appear to use essentially the same case, with the difference being the inner bezel and crown. The bracelet fits perfectly for this reason, though I suppose it's technically not "correct". It appears that this bracelet has been on the watch for a long time, and was put on when the watch was new or near new. Maybe done at the dealer level? I actually thought of transmission treatment, but was too lazy to go to the auto parts store to get it. Plus, I had heard mixed reviews about how effective it was. Glad to know it works! I really thought a NOS crown was going to do the trick. In the end, I was just glad to be able to find a crown gasket that fit. I think somewhere in the back of my mind I knew I had heard this gasket would fit, but it didn't dawn on me until I got the old gasket out.  |
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Post by Groundhog66 on Feb 18, 2014 8:08:15 GMT -8
Great information here, I'm glad you got it all sorted out. So, has it gotten any wrist time yet?
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Post by SeikoPsycho on Feb 18, 2014 16:17:17 GMT -8
I'm convinced that the Diamond back bracelet is one of the bracelets that originally came on the 6119-602X series of sport divers. I've seen it many times on watches listed for sale and it was on several that I have purchased. It's a nice comfortable wearing bracelet. Here is one on a blue dial 6119-6020.  |
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Post by Groundhog66 on Feb 18, 2014 16:20:56 GMT -8
I'm convinced that the Diamond back bracelet is one of the bracelets that originally came on the 6119-602X series of sport divers. I've seen it many times on watches listed for sale and it was on several that I have purchased. It's a nice comfortable wearing bracelet. Here is one on a blue dial 6119-6020. That's a great looking combination. |
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Post by SeikoPsycho on Feb 18, 2014 16:46:30 GMT -8
I'm convinced that the Diamond back bracelet is one of the bracelets that originally came on the 6119-602X series of sport divers. I've seen it many times on watches listed for sale and it was on several that I have purchased. It's a nice comfortable wearing bracelet. Here is one on a blue dial 6119-6020. That's a great looking combination. Thanks Tim! It's my favorite bracelet for this series although, from what I can tell, it's the only original bracelet I know of and have for these sport divers. I'm partial to original bracelets on all my watches when possible. They're icing on the cake. |
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Post by Groundhog66 on Feb 18, 2014 16:59:35 GMT -8
That's a great looking combination. Thanks Tim! It's my favorite bracelet for this series although, from what I can tell, it's the only original bracelet I know of and have for these sport divers. I'm partial to original bracelets on all my watches when possible. They're icing on the cake.I couldn't agree more! |
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Post by 69ChevelleSS on Feb 19, 2014 6:49:04 GMT -8
I'm convinced that the Diamond back bracelet is one of the bracelets that originally came on the 6119-602X series of sport divers. I've seen it many times on watches listed for sale and it was on several that I have purchased. It's a nice comfortable wearing bracelet. Here is one on a blue dial 6119-6020. Great looking watch and I love the look of that bracelet Tom. |
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Post by docswatches on Mar 24, 2024 5:27:21 GMT -8
I also had the problem of a loose crown and bezel due to missing/dry crown gasket. I tried the 6309 gasket as recommended but found it too tight so tried a slightly thinner one, a 3.00x0.75x4.50mm from Cousins UK (part code G61114, 10 for £2.50 plus tax). This worked a treat, just wanted to pass this on.
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cobrajet25
Needs a Life!
"Underweared curmudgeon!"
Posts: 3,357
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Post by cobrajet25 on Mar 25, 2024 13:04:32 GMT -8
I blithely clicked this post and started reading it with interest. Took me a good 90 seconds to realize I wrote it...ten years ago! 😆
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ouroboros
Timekeeper
One more watch. I think....
Posts: 963
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Post by ouroboros on Mar 26, 2024 10:25:43 GMT -8
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