rolex 1520 17j vs 26j | 17j vs 26j rolex 1520 17j vs 26j Rolex Forums - Rolex Watch Forum > Rolex & Tudor Watch Topics > Vintage Rolex Discussion: 17j vs 26j.
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0 · Caliber 1520 Jewel Variations
1 · 17j vs 26j
2 · 17 Jewels
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Over the years I have services a few of the 17J's, the base movement is only minus 3 jewels ( 2 cap jewels for escape wheel and 1 for upper center wheel). So far i have had good luck, they time out and run as well as the 26J version in my opinion. The automatic .Rolex Forums - Rolex Watch Forum > Rolex & Tudor Watch Topics > Vintage Rolex Discuss.
Rolex Forums - Rolex Watch Forum > Rolex & Tudor Watch Topics > Vintage . The difference between 17 and 26 jewels in the 1520 mainly involves the . Over the years I have services a few of the 17J's, the base movement is only minus 3 jewels ( 2 cap jewels for escape wheel and 1 for upper center wheel). So far i have had good luck, they time out and run as well as the 26J version in my opinion. The automatic device is where I see the most wear. Rolex Forums - Rolex Watch Forum > Rolex & Tudor Watch Topics > Vintage Rolex Discussion: 17j vs 26j.
The difference between 17 and 26 jewels in the 1520 mainly involves the autowinding mechanism IIRC, so that would be unrelated to chronometer status IMO. From the sample I surveyed, there was a pretty even mix of 17 vs .
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Information on jewels, beats per hour, and info dates for different Rolex watches. View Rolex movements & calibers table.TimeZone : Rolex - Vintage » 17j vs 26j. . Goto Forum: . The Rolex Caliber 1520 & 1530 at Work. The Cal. 1530, in its role as test pilot for its host of new upgrades, sat inside two models in the Rolex rangel. One, the most recognizable form in the horology world, and the other, a simple yet underappreciated classic.
The 25/26 jewel 1520 is same as the 17 jewel model except for jewels in the reverser pivots and jewels in the movement plate for the intermediate wheel of the autowind assembly. Same balance assembly with flat hairspring is used in both. The base for all 15xx movements is the 1530 (interestingly there are 25j movements as well as the 17 and 26j varities). The 1520 was created as alower cost alternative to the 1530 movement.
This reference has a "low quality" (17j) cal 1520 movement; later generations of the movement (e.g. cal 1560/1570, I believe) were upgraded to 26j, with jeweled autowind mechanisms.
Over the years I have services a few of the 17J's, the base movement is only minus 3 jewels ( 2 cap jewels for escape wheel and 1 for upper center wheel). So far i have had good luck, they time out and run as well as the 26J version in my opinion. The automatic device is where I see the most wear. Rolex Forums - Rolex Watch Forum > Rolex & Tudor Watch Topics > Vintage Rolex Discussion: 17j vs 26j.
The difference between 17 and 26 jewels in the 1520 mainly involves the autowinding mechanism IIRC, so that would be unrelated to chronometer status IMO. From the sample I surveyed, there was a pretty even mix of 17 vs .the world\'s watch information resource. Goto Forum: .
Information on jewels, beats per hour, and info dates for different Rolex watches. View Rolex movements & calibers table.TimeZone : Rolex - Vintage » 17j vs 26j. . Goto Forum: .
Caliber 1520 Jewel Variations
The Rolex Caliber 1520 & 1530 at Work. The Cal. 1530, in its role as test pilot for its host of new upgrades, sat inside two models in the Rolex rangel. One, the most recognizable form in the horology world, and the other, a simple yet underappreciated classic.The 25/26 jewel 1520 is same as the 17 jewel model except for jewels in the reverser pivots and jewels in the movement plate for the intermediate wheel of the autowind assembly. Same balance assembly with flat hairspring is used in both. The base for all 15xx movements is the 1530 (interestingly there are 25j movements as well as the 17 and 26j varities). The 1520 was created as alower cost alternative to the 1530 movement.
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rolex 1520 17j vs 26j|17j vs 26j
