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| Joined: | Sun Feb 26th, 2006 |
| Location: | Oregon, USA |
| Posts: | 2897 |
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I personally disagree with that: I prefer screw-in lugs.
Also it depend how they are builded: One side with the screw-driver gap and the other side with thread is the best. Screw gap on both sides implicate a screw-driver on each sides when take-off and is a tricky stuff to accomplish without scratching the lugs. Better got teflon-tape around for that:?
So why do I prefer screw-lugs??? Solidity, security!
With divers or big watches even I am not diving, I understand that divers desire this security to do not loose them watch in the deep: Specialy if they used it for timing them dive.
I tell you a real story also: Some years ago, I heard about a guy in the US who was sailing with his little boat on the coast, having a sweet day under the sun and a fine breeze...Until his wrist grabed the sail's border during a manipulation(or something like that..) and his new Rolex submariner poped-out of its springbars, diving on its own in the deep: Byebye money!
I guess that it sound like a silly story but silly things don't only happen to others...
Also most serious military watches got screw-lugs like the Panerai models for exemple;)...
Now, guess why the Mil.Sub got solid bars? Here's a little explanation about how "..one pin fails":
http://diving-watch.org/MILSUB-MILITARY-ISSUE-ROLEX-SUBMARINER-
Don't forget that MIIK make military inspired models.
The Mil Sub got fixed pins BUT it also was used only with a nato or zulu strap not bracelets. This was for safty as well as security.
With a Nato or zulu strap you are free to loose at least one spring bar and the watch will remain attached to your wrist too so that makes the Nato/Zulu a good security device in any case.
From a safty standpoint the watch really needs to be able to seperate from your wrist in at least two places, with springbars that means the watch head and the clasp, if you catch your watch on a sail for example or in machinery it is far better for your watch to come off than for you to get tossed in the sea or get wrapped around a piece of billet spinning at 5000 rpm...
Fortis has the best system for screw pins I have seen, no threads in the watch head and a keyed pin with a screw.
double screw systems as you pointed out are difficult to manage.
The reason I don't like screws is that they pose a long term service problem, only smaller watch companies use them and that means 10 years from now they simply won't be available when you strip a thread or loose a screw so you will be converting to springbars or not wearing the watch anymore.