Tissot PRX UFO Robot Grendizer 40mm Blue Dial Watch - T137.407.11.041.02

Tissot PRX UFO Robot Grendizer 40mm Blue Dial Watch - T137.407.11.041.02

Marsoni

M251S

$475.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Tissot PRX UFO Robot Grendizer 40mm Blue Dial Watch - T137.407.11.041.02SKU T1374071104102 Collection Classic Contemporary Reference T137. 407. 11. 041. 02 Movement Swiss automatic Energy Automatic Power Reserve Up to 80 hours Case material 316L stainless steel Case shape Tonneau Case size 40mm Case length 39. 50mm Case width 40. 00mm Case thickness 10. 93mm Lugs 12. 00mm Case options See through caseback Crystal Scratch resistant sapphire crystal with antireflective coating Water Resistance 10 bar (100m 330ft) Weight

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Didn't really believe the hype. Did a little research and watched Project Farm and decided to try. Im not a snake oil guy....but I will say my 2013 common rail TDI is quieter and I get a tad more fuel mileage. Does it pay for itself? Well, it does get better mpg, but I feel the reduction in noise most likely relates to less wear and tear and thats good enough for me. Im only using 1oz per fill up (about 14 gallons) so it lasts a very long time. I get 40mpg and im not light footed.

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Reviewed in the United States on April 2, 2026

Verified Purchase

James Jay

Pawtucket, US

★★★★★ 5

It's a spark plug

What i needwd

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 27, 2026

Verified Purchase

Battle Creek, US