A guide to avoiding pitfalls! A must-read when buying an M+ factory Tudor Submersible FXD: 6 tips to teach you how to identify authenticity, the third point is the most critical

Recently, the Tudor Submariner FXD blue plate replica watch (model M25707B) produced by the M+ factory has been very popular in the watch circle. As a senior watch enthusiast, I asked a friend to get one from Guangzhou and spent two weeks playing with it carefully. Today I will show you whether this work, which is known as the “new benchmark for replica watches”, is worth buying.

1. First impression: not as light as a diving watch

The most surprising thing when I first got the watch was the weight – the official rating was 80 grams, but the actual weight was 82 grams (including the strap). You must know that the genuine titanium version weighs about 88 grams, which is nearly half lighter than a traditional steel watch. The grade 5 titanium alloy watch case has been finely brushed and has a warm frosted feel to the touch, completely unlike the rough feel of some low-priced replica watches.

The bezel is one of the highlights of this watch. It is made of zirconia ceramic and has a 60-minute diving scale. The “click” sound when turning is clear and powerful, and the 120 gears of damping are adjusted just right. There is an interesting detail: the M+ factory deliberately made the outer ring slightly larger than the case. This design completely replicates the professional needs of the original version for the French Navy special forces.

2. Luminous performance: like a night light in the dark

The officially promoted “X1 level Swiss Super-LumiNova® luminous coating” is indeed not a boast. I sunbathed for 10 minutes by a sunny window. After turning off the lights at night, I found:

  • The hour markers and hands are bright ice blue
  • Still clearly visible after 3 hours
  • There is still a faint afterglow after 8 hours
    This performance has surpassed the luminous effect of many entry-level Swiss watches. Special praise should be given to the luminous filling of the snowflake needle. The edges are neat and there is no color overflow. It can be seen that the mold precision is very high.

3. Actual measurement of the movement: stable but not amazing enough

Open the back cover and you can see the Citizen 8N-24 movement. This choice is very smart:

  • The thickness is the same as the original MT5602
  • 54-hour power reserve is enough for daily use
  • The average daily error is about +8 seconds (actual measurement)
    However, please note that this movement does not have a stop-seconds function, so you need to be more patient when adjusting the time. In terms of waterproofing, although it looks very professional, it can actually only be waterproof for daily use, forget about swimming and diving.

4. Identification of authenticity: 5 key details

  1. Weighing test: Real titanium version ≤85g, steel case imitations generally exceed 100g
  2. Bezel rotates: Genuine products have 120 gears, while imitations mostly have 60/90 gears.
  3. Luminous color: The genuine product is ice blue, while inferior imitations are greener.
  4. strap texture: The original textured belt has a gray stripe in the center
  5. Movement shock absorber: Citizen 8N-24 adopts golden triangle shock absorber

5. Suitable groups and purchasing suggestions

Recommended to buy:

  • I like the style of military watches but have a limited budget
  • The pursuit of ultimate lightweight daily wear
  • Practicalists who value luminous performance

Consider carefully:

  • Professional diving needs
  • Movement polishing perfectionist
  • Wearers who are not weight sensitive

The current market price is in the range of 2,500-3,000 yuan. It is recommended to choose a reliable seller that provides double straps (textured + silicone). Here’s a little tip: Ask the seller to take a weighing video. The real titanium version will never exceed 85 grams.

Finally, tell the truth: This watch is indeed affordable at the price of 3,000 yuan, but don’t expect it to be fake. Appreciate it as an independent work with Tudor design elements, and you will have more surprises. After all, for 1/10 of the price of genuine products, you can experience 80% of the quality, which is worth the price for many watch friends.


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Do you think replica watches should pursue the ultimate restoration, or should they have their own characteristics? Welcome to share your views in the comment area!

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