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Old 25 September 2018, 09:54 PM   #1
TheVTCGuy
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Grand Seiko Spring Drive, should Rolex follow?

I purchased my first Seiko last week, will use it as a “beater” and for some travel, but it was my first exposure to the brand. So, before you ask: “Why are you posting this in the Rolex section?” Let me explain.

I did not purchase a Grand Seiko, but did have the opportunity to see one in person. It was a very nice watch but the most impressive part to me was watching the second hand, and learning the accuracy. I am not going to do a very good job of explaining, but the watch is actually mechanical, in that the movement of your arm powers a spring. And it has quartz used for time reference, but it is not your typical quartz of. Tick-tick-tick at one second intervals. Instead, the second hand practically glides over the dial like the old-fashioned electic ones did, but it is still a mechanical movement. From what I understand the spring that you wind by movement of your arm powers a wheel that produces an electric charge that is used for the quartz time-keeping component, and the movement of the the time keeping hands, but the movement is so fast that it looks like a continious sweep.

OK, now that I have completely screwed up the explanation, Bas or Tools will have to clear it up, but the point is it is still a “mechanical” watch, in that the movement is all mechanical and the electricity produced is only for time reference with the quartz, and the accuracy is suposedly incredible. Seiko says something like one second a day but in reports, it’s more like one a week. (And to be honest, watching that second hand circumnavigate the dial with such a smooth movement was pretty cool). For us automatic enthusiasts I have a couple questions:

A. Do you consider it a TRUE automatic, since the wound spring does produce an electical charge, even if it is not used to power the hands?

B. Should Rolex strive for something similar? The accuracy is better and again, watching that smooth movement of the second hand was impresseive IMHO.

I had heard Rolex applied for a patent years ago for some kind of movement that has the same results, but nothing (that I know of) since. What do you guys think?
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Old 25 September 2018, 10:05 PM   #2
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I doubt Seiko is even on the Rolex radar as being any competition.
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Old 25 September 2018, 10:06 PM   #3
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Nah,

Rolex does Rolex.
In the same way they don’t do exhibition backs (save for that one Celini) because their movements are unadorned work horses, I don’t think Rolex should pursue such a complication because it would mess with Rolex’s legendary service intervals.


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Old 25 September 2018, 10:15 PM   #4
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The Grand Seiko is very impressive. The fit and finish is much better than Rolex. It Seiko has $10 watches and so the word never gets out.
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Old 25 September 2018, 10:30 PM   #5
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I purchased a GS last month, but it's the 9S65A movement, not the Spring Drive. I specifically chose this movement because I prefer the traditional horological approach.

I agree that the finish and detail are amazing, and I look forward to wearing it. The movement exceeds COSC specs already and, Spring Drive - while incredibly accurate - doesn't interest me... at least, right now.

Rolex, with the Superlative Chronometer specs of +/- 2 seconds/day, is pretty incredible without Spring Drive technology.
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Old 25 September 2018, 10:30 PM   #6
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Legendary service intervals? Please, if there was an eye roll emoji I'd use it here.

@TheVTCGuy - the mainspring does in fact power the movement of the hands on a spring drive. The explanation is fairly complicated, but I am sure you will get it. First off, instead of a balance wheel, the SD movement has a glide wheel. When you first start up a SD watch the glide wheel will spin freely, causing the second hand to move way too fast which fires up the electricity required to power a circuit and the quartz oscillator. The quartz oscillator acts as a reference point and tells an electromagnetic brake to slow down the glide wheel. The way a spring drive works is that it's always trying to go fast, and the brake slows it down.

In easy to understand terms: The mainspring powers the hands, which power a tiny generator inside the watch, which controls a little computer that tells the watch to go slower.
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Old 25 September 2018, 10:32 PM   #7
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The Grand Seiko is very impressive. The fit and finish is much better than Rolex. It Seiko has $10 watches and so the word never gets out.
Unfortunately it’s still a ‘Seiko’! You know what I mean?
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Old 25 September 2018, 10:41 PM   #8
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Unfortunately it’s still a ‘Seiko’! You know what I mean?
That shouldn’t be used as a slight, as Seiko & Grand Seiko are an incredible watchmaker & show up some of the Swiss classics.

I do hate how snobbery infects people’s opinions, watches from all walks of life are incredible in 2018 and the complications and technology that power them would stun people from 20 years ago, let alone 50.

I’m sure there’s an R&D team who’ve tried a similar technology at Rolex and favoured against it. As someone else said, do we know how reliable these Spring Drive movements are, over 5-10 years?
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Old 25 September 2018, 10:41 PM   #9
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My Grand Seiko gets the majority of my wrist time the last 2 years. Its accuracy blows away my Rolex. Its so accurate I never need to check it any more, just set it and forget it. But then again so is a quartz watch.

I have a new Lum-Tec Quartz inbound as I type. I am not a movement snob. However most here will only be a only mechanical type person. I dont see Rolex moving away from what they are currently doing unless they have to compete some day in the smart watch arena.
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Old 25 September 2018, 10:51 PM   #10
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Unfortunately it’s still a ‘Seiko’! You know what I mean?
SMH. A tell tale sign as to why people buy what they buy.
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Old 25 September 2018, 10:59 PM   #11
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SMH. A tell tale sign as to why people buy what they buy.
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Old 25 September 2018, 10:59 PM   #12
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Legendary service intervals? Please, if there was an eye roll emoji I'd use it here.

@TheVTCGuy - the mainspring does in fact power the movement of the hands on a spring drive. The explanation is fairly complicated, but I am sure you will get it. First off, instead of a balance wheel, the SD movement has a glide wheel. When you first start up a SD watch the glide wheel will spin freely, causing the second hand to move way too fast which fires up the electricity required to power a circuit and the quartz oscillator. The quartz oscillator acts as a reference point and tells an electromagnetic brake to slow down the glide wheel. The way a spring drive works is that it's always trying to go fast, and the brake slows it down.

In easy to understand terms: The mainspring powers the hands, which power a tiny generator inside the watch, which controls a little computer that tells the watch to go slower.
If it has electronics in the watch I'm not consider it. IMO, it defeat a whole purpose of mechanical watch.
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Old 25 September 2018, 11:05 PM   #13
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No I don’t think Rolex need follow suit as they are doing just fine and it would seem like they are copying Seiko. One of the cooler aspects of the spring drive is the story of its development over decades. If Rolex just came out with something similar it wouldn’t be as cool.
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Old 25 September 2018, 11:12 PM   #14
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They are very different but both great brands individually.
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Old 25 September 2018, 11:15 PM   #15
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SMH. A tell tale sign as to why people buy what they buy.
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Old 25 September 2018, 11:58 PM   #16
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If it has electronics in the watch I'm not consider it. IMO, it defeat a whole purpose of mechanical watch.
Personally I think they're great and I would like to own one. Different strokes for different folks.
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Old 26 September 2018, 12:05 AM   #17
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Agreed on the brand snobbery. Grand Seiko is very underrated, and I like the idea of wearing a timepiece that almost all people don't get. What could be more under the radar than a Seiko with better finishing and handcrafted details than a Rolex. Equally recognisable, but in an opposite direction.

Now if only they would make a piece that sang to me style wise. Many are close, but not quite...
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Old 26 September 2018, 12:10 AM   #18
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Unfortunately it’s still a ‘Seiko’! You know what I mean?
big ego, little.......
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Old 26 September 2018, 01:52 AM   #19
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As someone else said, do we know how reliable these Spring Drive movements are, over 5-10 years?
You’re free to ask me how mine is after 12 years since first being assembled.
It’ll be purely anecdotal, but at least it’ll be a starting point.
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Old 26 September 2018, 02:35 AM   #20
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Watch snobbery?

I've been wearing Rolex since 1982. But I just ordered a Seiko SRPC44 ($325 low end mechanical watch with Hardlex crystal), and have been seriously considering adding a Spring Drive Diver in SS to my TT Rolex Bluesy (the model of watch I've owned most since 2004 and own now).

If one doesn't limit themselves to brand snobbery there are amazing watches around in all price levels. When my Seiko comes in I'll have an Isobrite 501 for its T100 tritium capsules which cannot be beat for lume by ANY watch after around 4 hours, a Rolex 166113 which apparently is part of my watch DNA, and a new gold colored, silicone banded Seiko "Turtle" for all kinds of knock around use in and on the water, combined with excellent lumibrite.

Sometimes I think us "Rolex" people need to broaden our horizons. We have great watches, but we aren't the only ones.
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Old 26 September 2018, 08:13 AM   #21
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Old 26 September 2018, 09:08 AM   #22
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Old 26 September 2018, 09:35 AM   #23
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You’re free to ask me how mine is after 12 years since first being assembled.
It’ll be purely anecdotal, but at least it’ll be a starting point.
Ok, cool. How is it doing after 12 years?
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Old 26 September 2018, 09:42 AM   #24
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Old 26 September 2018, 09:44 AM   #25
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Ok, cool. How is it doing after 12 years?
Still within ½ a second, and that’s as much as it deviates in total, even over a prolonged period of 2 weeks of constant wearing.


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Very much appreciate GS watches but Prefer to keep my watches strictly mechanical.
Preference based on what though?
Sounds very much like cutting one’s nose off to spite their face.
If you think only a regular style escapement shows off a level of micro-engineering, then read up on what goes into the electronic side of the SD movement – it’s every bit as micro-engineered, if not more so.
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Old 26 September 2018, 10:30 AM   #26
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Still within ½ a second, and that’s as much as it deviates in total, even over a prolonged period of 2 weeks of constant wearing.
That's very impressive for a 12-year-old watch. Have you serviced your watch recently?
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Old 26 September 2018, 11:58 AM   #27
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Nope.
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Old 26 September 2018, 12:05 PM   #28
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If it has electronics in the watch I'm not consider it. IMO, it defeat a whole purpose of mechanical watch.
Well said. To me, it's almost a quartz watch.
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Old 26 September 2018, 12:08 PM   #29
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Simple answer no imho...
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Old 26 September 2018, 03:09 PM   #30
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Don't see why Rolex will follow, they are in a sweet spot and there is really no need branch out to other types of movements, whether its spring drive, or split second perpetual calendar.
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