Watch

Understanding Water Resistance in Watches

By Feb 05, 2026
Read time3 min

Understanding the water resistance ratings on timepieces is crucial for any watch owner. In a recent episode of Fratello Talks, experts Nacho, Thomas, and Daan delved into the intricacies of these ratings, clarifying what terms like meters, bars, and ISO standards truly signify, both theoretically and in everyday use. This discussion aims to demystify water resistance, equipping enthusiasts with the knowledge to safeguard their valuable timepieces.

During the segment, each host showcased their personal wristwear, illustrating varied approaches to water resistance. Daan sported his Cartier Santos Galbée XL, a watch he, despite its general robustness, consciously keeps away from water due to his uncertainty about its exact water resistance level. Thomas presented a Kiwame Tokyo Iwao Ginkai, an elegant Japanese-made field/dress watch with a screw-down crown and a reassuring 100-meter water resistance. Nacho opted for his Nomos Club Sport Neomatik Worldtimer Jungle LE, also featuring a 100-meter water resistance and a screw-down crown, indicating its suitability for water activities once fitted with an appropriate strap.

The conversation expanded beyond mere numbers, addressing how real-world conditions differ from static lab tests. They highlighted how elements such as pressure fluctuations, the natural degradation of seals over time, and consistent servicing are vital for maintaining a watch's water integrity. The experts underscored that the "50 meters" rating often misleads consumers, and that vintage watches, in particular, demand extra caution around water. The hosts stressed the value of practical, experience-based advice over purely marketing-driven specifications, encouraging watch owners to be proactive in their watch care.

Ultimately, a watch's water resistance is not just a technical specification but a promise of durability and reliability under various conditions. By understanding the practical implications of these ratings and adhering to sensible care routines, watch enthusiasts can enjoy their timepieces for years, confident in their resilience against the elements.

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