


Patek Philippe Calatrava 3440J Automatic in 18k Yellow Gold
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Patek Philippe Calatrava 3440J Automatic in 18k Yellow GoldThe Calatrava is one of the most refined wristwatchesif not the most refined wristwatchand when paired with a nice leather strap, vintage yellow gold models such as this reference 3440J become wonderfully casual for everyday wear. Introduced in 1961, it is notable for its water resistant, screw down case back, an uncommon feature for the time. It is estimated that only around 50 examples of this reference were produced. The 35 mm 18k yellow gold case
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★★★★★ 5
Very Expensive
Had one cylinder misfiring so replaced coil and spark plug. Runs fine now, but old plug looked shot after only 5 months so I think the coil was the problem. Really good plug so far but very expensive.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
A reliable set of spark plugs.
They’re made in Germany, what else can you say
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Work as well as the NGK's
Bought for a 2016 Mazda 6, I had NGK's in it for 5 months and had misfires, didnt have the money to throw more NGK's at it for troubleshooting. Bought these to try and they work great so far.
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Reviewed in the United States on April 29, 2026
★★★★★ 4
Faulty plug? Otherwise great set
Definitely better than the old plugs that probably had 80k miles on them.
The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Upgrade from OEM
After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is.
These were an upgrade from OEM parts. They were gapped perfectly for the car.
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Reviewed in the United States on February 11, 2026