ZRC Grands Fonds MN64 Édition Limitée Phenix: what does its owner think?

The ZRC Grands Fonds MN64 Limited Edition Phenix embodies a particularly symbolic and purposeful vision of the utilitarian dive watch. Developed for ZRC’s 120th anniversary, this limited edition is not merely an aesthetic variation of the Grands Fonds MN64 1000M. It is part of a true memorial approach centred on the submarine Q157 PHENIX, lost in Cam Ranh Bay in Vietnam on 15 June 1939. Through this watch, ZRC pays tribute to the 76 sailors who disappeared in the sinking, while pairing this historical evocation with one of its most technical divers.

This edition is limited to 200 pieces and priced at 3,990 EUR. 

What makes this reference especially interesting is its ability to combine commemorative meaning, technical coherence and the identity of a professional dive watch. The brand explains that the watch is presented in a specific box set including the PHENIX muzzle cap as well as a 1/750 scale reproduction of the submarine. Yet beyond this tribute dimension, the watch remains entirely faithful to the ZRC logic: a monobloc construction, ECS® bezel, crown at 6 o’clock with Crown Protection System™ and extreme water resistance, all in the service of a true tool watch. 

What are the characteristics of the ZRC Grands Fonds MN64 Limited Edition Phenix?

Case of the ZRC Grands Fonds MN64 Limited Edition Phenix

The case of the ZRC Grands Fonds MN64 Limited Edition Phenix is made of amagnetic 316L stainless steel and uses a monobloc construction with screw-down caseback and crown. Its 41.5 mm diameter gives it strong wrist presence, in keeping with its purpose as a professional dive watch. ZRC also specifies compliance with ISO764: 4800 A/m, which further reinforces its technical profile. The programmed-deformation caseback, exclusive to the brand, belongs to the same functional logic. The case is topped by a 3 mm domed sapphire crystal with anti-reflective treatment. 

Sunburst blue dial and visual identity

The dial of the MN64 Limited Edition Phenix stands out through its sunburst blue finish, developed by ZRC to imitate reflections on the sea and the rays of sunlight penetrating abyssal depths. This intention gives the watch greater visual depth than a simple flat blue dial. The result remains coherent with the model’s technical spirit while also adding a more emotional dimension, especially relevant in the context of this tribute edition. The dial therefore works both on legibility and on evoking the underwater world, while giving the watch a more narrative presence than a purely instrumental diver.

Bezel, crown and functional architecture

One of the most distinctive elements of this ZRC lies in its diving-oriented architecture. The unidirectional rotating bezel with 60 divisions receives a ceramic insert and relies on the brand’s patented ECS® system, designed to ensure optimal rinsing after a dive and prevent impurities or salt crystals from accumulating between bezel and case. The screw-down crown at 6 o’clock, with reverse thread, is another strong signature. It forms part of the Crown Protection System™ and fully contributes to the functional identity of the Grands Fonds. This approach shows clearly that, at ZRC, design always remains subordinate to a logic of real-world use. 

Movement and performance

The ZRC Grands Fonds MN64 Limited Edition Phenix is powered by the Sellita SW300-1 “Elaboré” calibre. This Swiss automatic movement beats at 28,800 vibrations per hour (4 Hz) and offers a 56-hour power reserve. ZRC states an accuracy of +5 seconds per day, with an amplitude given as between 0 and +10 seconds per day maximum. The watch displays hours, minutes and seconds in a logic of readability and reliability. The choice of the SW300-1 Elaboré reinforces the credibility of the piece within a highly technical tool-watch register.

Strap and comfort

The official page indicates that this Phenix edition is fitted with an FKM rubber strap, compatible with a steel pin buckle. ZRC describes it as a strap inspired by the design of the metal bracelet, highly comfortable and available in several colours across the range. On this version, the use of FKM is coherent with the diving vocation of the watch: it brings flexibility, resistance and comfort in sporty or aquatic use without compromising the strong visual character of the case. 

Water resistance and everyday use

The ZRC Grands Fonds MN64 Limited Edition Phenix stands out through a particularly impressive level of water resistance. The brand states water resistance guaranteed to 1000 metres and tested to 1500 metres, clearly placing it in the category of serious dive watches. This technical capability, combined with the monobloc construction, secured crown and ECS® bezel, gives the model strong credibility within the world of tool watches. Yet despite this radical nature, its sunburst blue dial and commemorative dimension also lend it a more singular and narrative presence than a simple instrument diver. 

ZRC Grands Fonds MN64 Limited Edition Phenix: a commemorative diver, robust and uncompromising

With the MN64 Limited Edition Phenix, ZRC offers far more than a simple variation of its Grands Fonds. The 200-piece limitation, the tribute to the Q157 PHENIX submarine, the sunburst blue dial, the monobloc case, ECS® bezel, crown at 6 o’clock and Sellita SW300-1 Elaboré all come together in a highly coherent whole. This watch will appeal to enthusiasts looking for a true characterful diver that is technically credible, visually strong and backed by a powerful historical dimension. 

Conclusion

The ZRC Grands Fonds MN64 Limited Edition Phenix is aimed at enthusiasts looking for a dive watch that is robust, original and full of meaning. Thanks to its unique functional architecture, impressive water resistance, proven Swiss movement and sunburst blue dial inspired by the underwater world, it offers a particularly coherent reading of the contemporary commemorative professional diver. 

Dialicious customer reviews are a relevant way to choose the watch that truly suits you.

(Updated May 2026)