WATCHDAVID.SHOP - Official ZRC 1904 Retailer
ZRC Geneve HETERIUM GF421618 - 41.5mm - 1,000m
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All about the ZRC Geneve HETERIUM GF421618 - 41.5mm - 1,000m
ZRC Grands Fonds – Perfect Symbiosis of Tradition and Technical Excellence
The ZRC Grands Fonds combines classic design with the highest functional reliability and a distinctive modern character. As a contemporary interpretation of the legendary Grands Fonds 300®, this model embodies the essence of a professional dive watch. Equipped with a rubber strap, this variant not only offers robustness and durability but also high wearing comfort – both underwater and in everyday life.
Elegance and Functionality in a Maritime Style
The gradient dial, which gently transitions from deep navy blue to intense black, evokes the mysterious depths of the ocean. Combined with the satin-finished stainless steel case and the integrated rubber strap, this watch meets the highest demands both visually and technically. The unidirectional rotating ceramic bezel ensures optimal control during dives, while the innovative ECS® system (patented under N°1462496) allows for automatic flushing, reliably removing deposits like salt crystals.
Strap and Clasp
The watch strap is made of high-quality FKM rubber, which is known not only for its comfort but also for its remarkable durability. It was specially designed to perfectly match the design of the metal bracelet, ensuring an elegant yet functional aesthetic. The flexibility and soft texture of the rubber ensure that the strap remains comfortable even after extended wear, while also meeting high demands for stability. The strap is available in a variety of colors, allowing it to be ideally adapted to the wearer's personal preferences.
Secure fastening is provided by the steel clasp with a classic, one-piece tang buckle, ensuring easy handling and reliable security. This design not only offers the necessary stability but also contributes to the watch's overall elegant appearance.
Crystal Clear View in Any Environment
To ensure that the time remains easily legible in demanding situations, the ZRC Grands Fonds is equipped with a domed, 3 mm thick sapphire crystal. The anti-reflective coating provides maximum clarity and prevents distracting reflections – whether on land or in great depths.
Outstanding Water Resistance for Extreme Conditions
This dive watch was designed for depths up to 1000 meters and tested under extreme conditions – with a resistance of up to 1500 meters. Thanks to its precise construction and high-quality materials, it is a reliable companion for anyone who expects absolute safety in challenging environments.
Precise Swiss Movement for the Highest Demands
Inside the ZRC Grands Fonds works the proven Sellita SW300-1 "Elaboré", a high-quality Swiss automatic movement with an accuracy of +5 seconds per day and a maximum amplitude deviation of 0 to 10 seconds per day. With an impressive power reserve of 56 hours, the watch remains reliable even when not worn for several days.
Conclusion – A Watch for Explorers and Perfectionists
The ZRC Grands Fonds is not just a dive watch, but a true precision instrument that masterfully combines tradition and innovation. With its unique combination of high-quality materials, innovative safety mechanisms, and a stylish, functional design, it appeals to all who seek adventure – both underwater and in daily life.
Specifications
- Case: Monobloc construction made of 316L stainless steel, non-magnetic
- Diameter: 41.5 mm
- Crown: Screw-down at 6 o'clock with inverse thread (Crown Protection System™)
- Case Back: Specially developed back with programmed deformation (exclusive to ZRC)
- Bezel: Unidirectional rotating with 60-click division, ceramic insert, optimized cleaning through ECS® system (Patent N°1462496)
- Crystal: 3 mm thick, domed sapphire crystal, anti-reflective
- Dial: Gradient from navy blue to black, with luminous indices
- Water Resistance: Guaranteed up to 1000 m, tested up to 1500 m
- Movement: Sellita SW300-1 “Elaboré”, Swiss automatic movement
- Accuracy: +5 seconds per day
- Amplitude: Max. deviation 0 to +10 seconds per day
- Winding: Automatic winding
- Power Reserve: 56 hours
- Functions: Hours, minutes, seconds
- Strap: Rubber
- Clasp: Exclusive ZRC® safety folding clasp
Specification of the ZRC Geneve HETERIUM GF421618 - 41.5mm - 1,000m
Brand
ZRC 1904
Category
Diving watch
Diameter
1.63 inches
Strap
rubber
Dial color
Blue
Dial
Indices
Waterproof
1000m
Glass
sapphire crystal
Case
stainless steel
Movement
Sellita SW300-1 Elaborated
Type
men's watch
Condition
New & OVP
Key questions at a glance
FAQs
About David from WATCHDAVID
My name is David, and I've been deeply involved with watches for many years – not just as a dealer, but primarily as a tester, photographer, and classifier.
Since 2018, I’ve been running WATCHDAVID as an independent watch project featuring reviews, videos, and real-world wearing experiences. Many of the watches you'll find here have been on my own wrist – often for extended periods.
WATCHDAVID.SHOP is intentionally personal. I only sell watches that I genuinely stand behind – no anonymous mass-produced goods, no dropshipping, no "quick trends." Experience, transparency, and honest assessment are paramount to me.
And yes: I am not an anonymous seller. I enjoy good food, sneakers, and photography – and I have a proven weakness for Kinder Chocolate.
If you have any questions or are unsure, feel free to contact me directly. I will respond personally.
Shipping & Insurance
Within Germany and the EU, shipping is free of charge. Shipping is handled by DHL and insured up to €500, €2,500 or €25,000, depending on the watch's value. The watches are therefore always sufficiently insured.
You can find the delivery time in the description and/or below the shopping cart button. Some watches are only produced after an order is placed, while others are brand new and, for example, will only be available in a few weeks (so-called PRE-SALE), etc...
Revocation & Return Shipping
You can revoke your purchase within 14 days of receiving the goods.
I will cover the return shipping costs for you.
IMPORTANT: Do not send the watch back yourself; I will send you the free return label.
To do this, please simply contact me. david@watchdavid.com
It is also important that the watch is unworn and free of any signs of wear. After a successful inspection, I will refund the purchase price to you. The refund will be made using the same payment method you used for the purchase.
Authenticity & Condition of the Watches
I guarantee that all watches I offer are exclusively new, original goods. The watches come directly from the manufacturer and have had no previous owners, unless I explicitly state otherwise (e.g., so-called PHOTO WATCHES).
As an official dealer, I exclusively offer authentic products. These are offered in their original packaging, with a warranty card, etc., just as they are delivered by the dealer. Everything in a so-called Full Set. Some deliver more, some less...
Warranty & Service
All watches purchased from me come with the international manufacturer's warranty, which is usually two years. Some brands even offer a warranty of up to 5 years.
Should a warranty claim arise, I will take care of shipping the watch to the manufacturer or the responsible service center for you and will also organize its return to you. In addition, I will handle all communication with the manufacturer, so you don't have to worry about anything.
Even after the warranty period has expired, I will remain your contact person and support you with service questions or repairs.
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I usually answer every inquiry within 24 hours at the latest. On weekends, it may take a little longer. As a rule, I reply within a few minutes or hours.
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Mechanics - Sometimes things can go wrong
Before I ship your order, I carefully inspect each watch for visible defects.
However, should a problem arise, such as a defect during transit, please inform me immediately. I will do everything in my power to find a quick solution and ensure your satisfaction.
My goal is to offer you not only high-quality products but also a first-class shopping experience. I look forward to welcoming you as a satisfied customer!