Thomas Kaufmann
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What is a Hairspring and Why It’s Essential for Precision – Montres Passion
The hairspring, this invisible spring that decides everything In a mechanical watch, precision does not depend on a single jealously guarded “secret”, but on balance. At the center of this miniature theater, a duo reigns supreme: the balance wheel and its hairspring. The first oscillates like a metronome. The second, a spring as fine as
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Apple Watch Series 10: An In-Depth Review
Summary of user reviews: Positive points: Timeless and elegant design, appreciated by 7 out of 22 users. Recurring mention of the Digital Crown and double tap as real pluses. Apple Watch Series 10 performance and fluidity: improved responsiveness, brighter and slightly larger screen (5 users). Health and sports features considered useful and reliable: sleep monitoring,
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Casio MTP-1302PD Watch Review
Summary of user reviews Positive points: Timeless and versatile design: 8 out of 30 users mention the retro/classic look which goes everywhere and is visibly pleasing. Value for money: 7 out of 30 emphasize that the watch is solid and well finished for €30–40. Reliability and robustness: 6 out of 30 emphasize Casio solidity, shock
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Casio LF-20W Review: An In-Depth Look at Casio’s Offering
Summary of user reviews: It really divides. Big wave of 5★… but not blind. The product appeals for its retro look and its ultra light side, except that behind it, there are a lot of quibbles about readability and size. Basically: aesthetic favorite, technical compromise. Positive points: Retro design / vintage look → ~20 usersThe
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Casio MDV106B Review: Insights from Users on Their Experience
Summary of user reviews: Brutal. It smells like cardboard… but also like a bestseller. Big 5★ wave — massive. We are on a product that crushes its price/pleasure segment. But… (yes, there is a but) the rare 1★ reviews are violent, often linked to defects or the seller. Basically: loved watch, quality control sometimes random.
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Casio G-SHOCK GBD-800 Review: Why It’s a Hit for Some and a Miss for Others
Summary of user reviews: It hits hard. Great domination of ultra-positive feedback… but not blind. We are clearly on a hybrid Casio G-Shock (analog + digital + Bluetooth) which reassures with its solidity. Behind it, it scratches on very concrete details: readability, gadget functions, ergonomics. Basically: a watch that can handle everything… but not perfect.
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Casio AE-1200WHD Review: An In-Depth Look at Casio’s Timepiece
Summary of user reviews: It divides. Lots of very positive opinions… but when things get out of control, it’s violent. The watch appeals for its style and its price, but some feedback points to quality concerns that are not trivial. Positive points: Perceived reliability / brand image (8/30) : solid, reliable, reassuring. Vintage look (9/30)
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Casio AQ-230GA Review: An In-Depth Look
Summary of user reviews: It smells like a well-placed product. Not perfect… but clearly assumed. Out of 11 returns, we have a satisfied core group (8 positive or neutral opinions), with 2–3 more critical comments, especially on the materials. Nothing dramatic, but… it hurts a little on the finishes. What stands out? The visual hits
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Understanding the Variable Inertia Balance Wheel – Montres Passion
Before even talking about escapements, “free” hairsprings or marketing feats, we must return to the most living organ of a mechanical watch, its beating heart. THE variable inertia balance wheelit is precisely a very horological, and very pragmatic, way of adjusting this heart without restricting it. A technical device that says a lot about the
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Casio G-Shock DW-5600 Review: An In-Depth Look
Published by David Deteve in Casio on 03/27/2026 at 2:52 p.m. Casio G-shock DW-5600 The watch that manages everything without bothering you. Color lighting at the press of a button. Stopwatch at 1/100th, 24 hours max. Countdown timers that restart on their own — perfect if you’re taking medication at a fixed time or training
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Why Certain Watches Gain More Time Than They Lose – Montres Passion
The little mystery of the wrist: why your watch “gets ahead” You’ve probably already experienced it: a mechanical watch that you love, that you wind with an almost ritual pleasure, and which, without warning, ends up displaying a minute ahead after a few days. Oddly enough, we complain about it more often than the other
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Why Don’t All Vintage Watches Feature a Central Second Hand? – Montres Passion
A detail that changes everything: where do the seconds go? On a modern watch, the central second hand has become so obvious that it is barely noticed. It slides, or jumps, above the hour and minute hands like graphic evidence. However, go back in time: on many old watches, the second is not at the
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13 Indications That Reveal a Fake Rolex
01. 6-Hour Laser Engraving — The Number One Test Since 2002, Rolex has been engraving a microscopic laser crown at 6 o’clockdirectly in the mass of the sapphire crystal — not on the flange (the flange is the steel ring around the dial, the one with “ROLEXROLEX” engraved on it, that’s something else). It is
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How to Identify an Authentic Alfred Rochat & Fils: A Passion for Timepieces
Alfred Rochat & Fils: a house apart in the Vallée de Joux Founded in the Vallée de Joux – this temple of fine watchmaking nestled in the Swiss Jura – the Alfred Rochat & Fils house has established itself as one of the world references for watches with automatons and extreme complications. His pieces combine
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Best Women’s Watches Under €500: Our Top Picks
Five hundred euros. This is often the threshold at which a watch ceases to be a simple accessory and becomes a real timepiece. At this price level, we leave the territory of anonymous watches to access houses with a real watchmaking heritage, quality movements, sapphire glass, surgical steel and finishes that last over time. It
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Understanding the Mechanics of a Stop-Second – Montres Passion
The stop-second: the art of stopping time (just enough to better regulate it) The gesture is familiar to all those who like to “set their watch to the time” with almost ceremonial care. We pull out the crown, we observe the seconds hand… and, on certain watches, it stops dead in place. Mechanical silence. Time
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Authenticating Audemars Piguet: The Tip That Saved Me
What I almost did out of blindness Let’s be honest about what put me in danger: I wanted this watch for a customer meeting in Zurich three weeks later. A meeting with leaders of a Swiss family office who — and I know this is stupid — also judge watches. I was in tunnel mode.
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Identifying the Genuine vs. the Counterfeit: Your Ultimate Guide
The 8 warning signs of a fake Dunhill Whether for a bag, a wallet, a watch or a lighter, these 8 points apply to the entire Dunhill range. Keep them in mind as a systematic reading grid. 1. The logo: the place where everything begins (and where everything is betrayed) The “AD” monogram or the
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The Alfred Dunhill Watch
Design and aesthetics of Alfred Dunhill watches Watches Alfred Dunhill are distinguished by their watch design elegant. They reflect theDunhill aesthetic unique. Each model is designed to be both aesthetically captivating and technically efficient. The design of Dunhill watches is a true style statement. It highlights signature visual characteristics. These elements evoke the brand’s British
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Tsar Bomba Watch Review: Our Hands-On Test for You
Real User Experience: The Details That Product Sheets Leave Behind The Silicone Bracelet in Summer: The Uncomfortable Truth The standard silicone strap that comes with most models is functional — but in summer, it sticks. At 30°C and above, after two hours on the wrist, perspiration accumulates. This is not unique to Tsar Bomba, it
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Identifying Counterfeits Before It’s Too Late
Why H. Moser & Cie is a prime target for counterfeiters H. Moser & Cie is not Rolex. Not Patek. This is precisely why it attracts counterfeiters of a certain level. The public who knows it is smaller, the points of comparison less obvious for ordinary mortals, and yet the prices are high – an
