ZRC Grands Fonds 300 Osmium Reference GF 41118

The French watchmaking brand ZRC presents a new reference of its Grands Fonds 300 diving watch.

This new model has a sunray-brushed-finished dial with a summertime blue hue. Set off with a date at 3 o’clock, the dial is hovered over by two “Magnum”-style hands coated with Super-Luminova®, which tick over an hour chapter and a solid minute tracker, both dressed in white.

ZRC Grands Fonds 300 Osmium Reference GF 41118

Although the lines of the iconic case haven’t changed, a handful of details have been revamped with a view to boosting the overall wearer-friendliness of the watch. The Allen hexagon socket screw system on the case has been upgraded to offer more flexibility when changing the strap. Every screw is totally independent from the others. So, a single tool is all that’s required to carry out a strap-change operation easily.

Case pressure resistance has also been improved thanks to the inclusion of a two-part caseback. The first in reinforced stainless steel, based on 3 pivots, ensures the engraving remains straight along the 12 o’clock-2 o’clock axis. A steel clamp ring closes the ensemble without creating any pressure on the caseback seal.

ZRC Grands Fonds 300 Osmium Reference GF 41118

The crown set at 6 o’clock has changed. Its deeper, less polished knurling makes gripping easier. The Crown Protection SystemTM, which prevents the strap from being attached and closed if the crown isn’t screwed correctly, is still included to secure immersions.

Modernizing the design of this new generation dive watch, the unidirectional rotating bezel with its 60 notches has been rethought. In its original version, there was a chance it could accidentally rotate during a dive. This shortcoming has now been corrected. The bezel is henceforth aligned with the inner side of the case chamfering to be 2/10th more withdrawn to ensure it doesn’t turn unintentionally or even jump. Here too, knurling has been bettered just like on the crown.

ZRC Grands Fonds 300 Osmium Reference GF 41118

Special attention was also paid to noise to infuse its gyration with melodious clicking. The bezel insert has also evolved. It is now fashioned using ceramic and is optimally corrosion- and oxidation-resistant. As well as offering a host of finish possibilities, this material can be dressed in a wide array of colors and its presence makes the ECSTM system even more efficient. This cutting-edge patented system prevents salt from crystallizing between the bezel and the case by ensuring fresh water flows freely inside the bezel when it’s being cleaned.

The 41.5 mm-diameter mono-block case crafted in non-magnetic 316L steel, with its one-of-a-kind silhouette extended by two massive beveled lugs hosts the Sellita SW200-1 caliber in its sophisticated version. This Swiss Made self-winding mechanical movement, beating at a standard frequency of 28,800 vibrations an hour (4 Hz) delivers a power reserve of at least 38 hours.

ZRC Grands Fonds 300 Osmium Reference GF 41118

The striking contrast offers optimal legibility. This is emphasized even more as luminescent material also reigns on these elements as well as on the dot at the tip of the “lollipop” central direct-drive and on the markers displayed on the shiny black ceramic bezel.

The ZRC Grands Fonds 300 Osmium watch is worn on a sound yet comfortable dial-matching strap, clasped by a satinated steel buckle tongue.

This new timepiece from the ZRC GF 300 MN64 collection is water-resistant up to 300 meters. The approximate retail price is 2,890 CHF.

Technical details

Nonmagnetic 316L Steel
Monobloc case
Diameter: 41.5 mm
ISO764 Standard: 4800 A/m
Screwed case back & crown
Bezel: Unidirectional 60 divisions rotating bezel with patented ECSTM system and ceramic insert
Crown: Located at 6H (Crown Protection SystemTM). Inverted screwed thread with dual sealing
Glass: Sapphire 3 mm padded anti-reflection
Water resistance: 300 meters proofed, tested up to 1000m

Calibre SELLITA “Elabore” SW200-1
Automatic winding
Power reserve: 38 hours

Hours, Minutes, Seconds and Date

Rubber strap with stainless steel buckle