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30 July 2018, 04:33 AM | #1 |
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Submariner vs GMT Depth Rating
From an article on Google:
Although the two watches are remarkably similar and share the same Triplock winding crown, the reference 116610 Submariner has a depth rating of 300 meters, while the reference 116710 GMT-Master II is only rated to a depth of 100 meters.Oct 6, 2017 Anyone know why this is? |
30 July 2018, 04:37 AM | #2 |
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One is a divers watch the other is a pilots watch ...
You actually get a bonus of water proofing on the pilots GMT watch , that’s the brilliance and quality of owning a Rolex !!! Actually , if I’m correct all Rolex watches are water proof to 100 meters unless it’s a divers model ... |
30 July 2018, 04:38 AM | #3 |
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Thinner case back on the GMT.
Don't worry about it, you won't be visiting that depth anyway. |
30 July 2018, 04:43 AM | #4 |
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The real question should be why 100m wr doesn't count as diving depth. Any watch with 100m wr is a do all (diving included) piece.
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30 July 2018, 04:45 AM | #5 |
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I think the crystal is also thicker on the Sub
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30 July 2018, 04:47 AM | #6 |
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30 July 2018, 04:48 AM | #7 |
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the original sub 100m so its plenty sufficient
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30 July 2018, 04:51 AM | #8 |
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30 July 2018, 04:56 AM | #9 |
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its more of a case of they can now make a deeper depth rating these days therefore we think need it because its available, but we don't.
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30 July 2018, 05:24 AM | #10 |
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30 July 2018, 05:38 AM | #11 |
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I've dived with several of my GMT's. and whilst not planned I went well beyond 100, and not much less than 300, Rolex is so good (possibly very underrated?),
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30 July 2018, 07:52 AM | #12 |
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30 July 2018, 07:56 AM | #13 | |
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Quote:
These depths are in metres, not feet. It’s a one way trip if you did an unplanned dive past 100M to almost 300M.
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30 July 2018, 08:09 AM | #14 | |
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30 July 2018, 08:11 AM | #15 |
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30 July 2018, 08:15 AM | #16 |
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30 July 2018, 08:24 AM | #17 |
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Oddly enough the Tudor Heritage Ranger and Chrono are rated to 150m. You'd think they could do that for the GMT, Explorer, etc.
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30 July 2018, 08:42 AM | #18 |
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Yea, DJ, Daytona, GMT all have 100M WR and that’s plenty for snorkeling and any thing you are gonna do in a pool. They have a Oyster on them for a reason. The Sub was and still is the Rolex ultimate dive watch icon for a reason at 300m. Beyond that (saturation diving reasoning) is bar stool bravado that is mostly meaningless to the Rolex diver. Like the lobster cracker specially designed for outer space astronaut use.
HE valves are one more needless item to go wrong with your watch.
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30 July 2018, 08:55 AM | #19 |
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30 July 2018, 09:18 AM | #20 |
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Caseback is thinner and flat on the GMT. Overall mid case is also a thinner design.
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30 July 2018, 10:09 AM | #21 | |
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Quote:
100m WR means the gaskets can withstand 10 atm (atmospheric pressure). But that’s static and does not consider rapid changes in pressure with fast wrist movements. When you’re swimming and diving, the impact of your wrist on the surface of the water can already generate pressures that’s close to 10 atm. Add in gasket deterioration of temperature changes, and the GMT might not be as WR as you might think. |
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30 July 2018, 02:37 PM | #22 | |
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The only difference between a modern GMT and Sub's WR is case-back thickness, the case back being the part that will bend inwards during compression at great depths. If water could intrude into a GMT from splashing or diving on the surface, it could intrude into a Sub as well doing the same thing. |
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30 July 2018, 02:42 PM | #23 | |
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State of the union: 5066A,15400ST,15707CE,116610LN,26470OR and a few other… |
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30 July 2018, 03:11 PM | #24 |
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30 July 2018, 03:50 PM | #25 | |
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Harsh because this is why people start thinking they cannot wash their hands with their watch on. Lots of misinformation on some subjects, with WR being a more serious grouping of misinformation. I usually only bother for such ...although there are others that are hilarious, though not serious. For example, had a certain poster here claim the watches with HE valves have them so the AD can ‘add helium to the watch.’ Anyway - moving back to WR, your statement on ‘dynamic’ pressure changes is incorrect when it comes to Rolex WR. There are long explanations I could give, and there are longer online discussions on why the ‘static vs dynamic’ narrative is not true for Rolex (and other professional watches). To save time though, I’ll just post the Hodinkee article below discussing Dr. Sylvia Earle, one of the most reknown professional divers in the world. She’s made many of her dives wearing a gold Rolex Datejust, and so far hasn’t come across any ‘rapid changes in pressure due to fast wrist movements.’ https://www.hodinkee.com/articles/di...spatches-rolex |
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30 July 2018, 04:40 PM | #26 | ||
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Have to agree most dive watches today hardly see any water except for perhaps a dip in the pool or shower.Fact there have been more men to have gone to the moon than have dived past 300M wearing just normal scuba gear.
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30 July 2018, 04:46 PM | #27 | |
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30 July 2018, 05:04 PM | #28 | |
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even 300 ft, let alone Metres, would be quite the miraculous achievement to survive on a solo tank trip in regular gear.
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30 July 2018, 05:40 PM | #29 |
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30 July 2018, 06:44 PM | #30 |
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For reasons above, the SD DeepSea is a ridiculous watch?
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