The silver case looks to have held up well with some light patina. The dial is very clean. Thanks for sharing with us and I hope you find the information your looking for. Not knowing much about Rolex trench watches I can't offer much assistance. There's a post from another forum where some history
The last paragraph is where the author speaks about his opinion on changes to come. From the article: "For lovers of unwieldy paramilitary luxury, the bad news is that the gas-powered G-Wagen is doomed. European emissions rules will kill it, kill it with fire. I give the civilian version four more y
Here's a little more information. From the official Rolex website : All Oyster Perpetual models are equipped with the Oyster case, providing the movement with optimal protection against water, dust and shocks. Before being shipped, every Oyster watch is immersed in water and subjected to a pressure
Lots of variations and all are looking great. I've never owned a vintage watch, C case or a mechanical alarm. Maybe one like that GP could have a future in the collection someday.