


OM Series Flow Meter with Mechanical Display | 3" - 4" (35 L/min - 1500 L/min)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
OM Series Flow Meter with Mechanical Display | 3" - 4" (35 L/min - 1500 L/min)The FLOMEC Large Capacity OM Series Mechanical Meters excel at accurately measuring fuels and lubricants, ensuring reliable performance with clean liquids of various viscosities. The medium capacity OM Series stands out for its low pressure drop, making it an ideal choice for a wide range of liquid transfer or dispensing applications, whether the flow is pumped or gravity fed. Benefiting from simple yet proven positive displacement technology, the OM
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Your OM Series Flow Meter with Mechanical Display | 3" - 4" (35 L/min - 1500 L/min) orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.9 ★★★★★
Based on 2208 reviews
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Product Reviews
★★★★★ 5
Stunning automatic watch — looks way more expensive than it is
Color: All Gold, Color: All Gold
I bought this OLEVS automatic as a gift for my husband and he was thrilled. The gold-tone finish is rich and consistent, the open-heart dial showing the movement is a beautiful touch, and the day/week sub-dials work smoothly. The caseback shows the automatic movement clearly — you can see the rotor spinning with every wrist movement. It feels comfortable and the bracelet is solid. For the price, this is an outstanding piece. He gets compliments every time he wears it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 5
Nice and elegant
Color: All Gold
I love it so much really nice and elegant!!! I'd definitely recommend it!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
★★★★★ 5
Reloj ⌚️
Color: Green
Es un reloj automático super bueno
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 5
Great Mechanical Self-winder
Color: Black
Wow! So far I have only adjusted the time three times over the last few months. So far It keeps great time and looks good.
Well worth the money after having blown a few dollars on less expensive mechanical watches that fail after only a few months of use.
This thing is very good!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2024
★★★★★ 4
Beautiful
Color: All black
Having never previously owned a self-winding watch, and because the wristband did require some link-removal adjustment, I did hold off on wearing it for a few days until I could schedule an appointment with my jeweler to have the day/date setting and band-adjustment done. But a major part of my reason for doing so was my strong impression upon receipt of the watch that this was a very good choice. It is a very beautiful watch to look at, though compact and not overly bulky like many chronograph-style watches, its' heft conveyed a sense of a very solid, well designed and constructed watch. Since having the setting and adjustments done, I have been extremely pleased with how accurately it keeps time. In short, I LOVE this watch. I will also note this. Though my jeweler retails various high-end, and much more expensive watches, he was clearly impressed with the look and feel of this watch, and even made explicit comment about what a beautiful watch he felt it was. That said, I do have a quibble. The writing of the accompanying instruction booklet was riddled with English grammatical errors which were quite frustrating, and contributed to my reason for opting to have my jeweler complete the settings and adjustment. Also, when I contacted OLEV online to solicit guidance on how to expedite registering the purchase for warranty purposes, I received an email auto response saying that any Amazon purchase would require customer service and other guidance through the seller. Since my assumption upon Amazon purchase was that I WAS purchasing from OLEV as the seller, this remains a source of confusion which I yet need to resolve.
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Reviewed in the United States on January 3, 2024
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