Hello from london

[seaw300]

Hi to all, Very hapoy to have found a structured well run forum on such an interesting hobby. 

I have been watching quite a few of Marks videos which are fascinating and have inspired me to learn alot more & considering signing up for the course.  However I have been quite confused by the video I watched recently which promted me to join up. 

I have a collection of dive watches all 300mtr and watched his video on opening and resealing an Omega 300mtr dive watch but resealed it using a calypso 100mtr tester which got me wondering why that was and whether a 100mtr test is suitable for a 300mtr watch or if a 300 tester was not available or possibly the watch would not be used for diving. 

If this is the wrong place for an answer i will repost this correctly. 

respecfully

bob

[oldhippy]

Thank you for your introduction and welcome to this friendly forum.

I expect Mark will soon reply. His videos are very good and you will learn a lot.

 

[seaw300]

Many thanks, looking forward to getting involved. 

25 minutes ago, oldhippy said:

Thank you for your introduction and welcome to this friendly forum.

 

I expect Mark will soon reply. His videos are very good and you will learn a lot.

 

 

[ecodec]

Hi friend. Welcome. 300M is about 440 PSI !. I never get involved with these pressures with watches. I use a very old fashioned test for water resistance to 2 metres. You need a specialist dive watch for 440 PSI !!. Have you got a diving bell !. Should you need any info on water pressure, sealing and ingress etc you have found the right person to ask. All good wishes, Mike.

[clockboy]

Welcome Bob, Enjoy the forum.

[seaw300]

18 hours ago, ecodec said:

Hi friend. Welcome. 300M is about 440 PSI !. I never get involved with these pressures with watches. I use a very old fashioned test for water resistance to 2 metres. You need a specialist dive watch for 440 PSI !!. Have you got a diving bell !. Should you need any info on water pressure, sealing and ingress etc you have found the right person to ask. All good wishes, Mike.

Mike

 

thanks for your info, the dive watches i have are military 300m watches and also some friends have other brands too, We just cant test the water resistance. We were looking at buying a wet tester like the roxer or Lititz but to test the case without innards then heat test it then open it up and put everything back does not sound great to us.

 

Is it a reliable test to open a case after wet testing to rebuild the watch then close it up expecting it to still be 300m resistant without retesting it?? 

 

thanks bob