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SA3120 Instant Date Flip Mod

germanynrw

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No. I'm sure it can be built though. But stock 15703 has no instant date change with the 3120 movement.

This is a modification done .
Thank you mate. Did you know it is like the miyota and start 2 hours before, or lesser and like 10-15 Minuts?
 

germanynrw

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I was quoted around 300$, and they will need a movement
mate, can you check/Did you know it is like the miyota and start 2 hours before, or lesser and like 10-15 Minuts? I want to order, but will nice if you can check it please.
 

CTime

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mate, can you check/Did you know it is like the miyota and start 2 hours before, or lesser and like 10-15 Minuts? I want to order, but will nice if you can check it please.
If you do modifications it will be 'instant' flip at exactly 12'o, right?
 

willthewristmaster99

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If you do modifications it will be 'instant' flip at exactly 12'o, right?
I would also be interested in buying one of these movements if they ever come for sale, or are you saying you would need a donor movement + 300$ to mod it to have instant flip? I'm assuming 300$ for the movement with the mod together (basically buying a new modded movement)
 

CTime

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I would also be interested in buying one of these movements if they ever come for sale, or are you saying you would need a donor movement + 300$ to mod it to have instant flip? I'm assuming 300$ for the movement with the mod together (basically buying a new modded movement)
The mov will need around another 300$, or a new watch here
 

willthewristmaster99

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Hey mates, I buy this watch, and it has an instant date!

[SOLD] EU) ZF AP Diver 15703 v1 + red JF rubberstrap
That's because it is like mine, which has an 2836 movement instead of a 2824 (even if TD didn't specify) according to Legend they made a good amount of them. I have been telling people for almost a year that I have a instant date 2824 and they were all calling me a dumbass. Turns out I was because it's a spring loaded date mechanism in 2836 vs not in 2824
 

GeneralRep

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Trying to understand this.
If I have a 3120 clone movement in my current watch, this can be retrofitted with a modded 3120 with instant date flip at 12?
If yes, would it fit in the APSF 15400?

Thank you
 

Ac1013

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DP made the instant date change for a while by now. Never heard much problem with the modification. Dp works and parts are great, just expensive.
 

dogwood

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There is an instant date flip mod. I recently had a clone 3120 movement on my bench which had the mod. I did a little write up about how it works in my Journey thread:

 

willthewristmaster99

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There is an instant date flip mod. I recently had a clone 3120 movement on my bench which had the mod. I did a little write up about how it works in my Journey thread:

Wow thanks for dropping the link, as well as sharing the experience in the first place! I'd love to get one of these for my current modded JF since I'm too cheap to buy a ZF over .5mm haha. I'm about to give it a read!