Brand: LonginesModel: Heritage Military Marine Nationale Reference Number: L2.833.4.93.2Diameter: 38.5mmCase Material: SteelLug width: 19mmDial Color: BeigeIndexes: Painted, ArabicLume: Super-LumiNova (brown)Water Resistance: 30 metersStrap/Bracelet: Brown leather with Web3 Telefonie pin buckleThe caliber 3620 retains additional elements from the caliber 3600, such as automatic winding courtesy of a bi-directional rotor, 60 hours of running autonomy, and a silicon escape wheel (in the shape of a star!) and pallet fork that are visible through the sapphire crystal exhibition caseback.And the name on the dial? Hermann Horrmann was a watch retailer in Leipzig, Germany, founded around the turn of the 20th century. Wall clocks and watches of various brands, most signed solely by the retailer on the dial, can be found and collected today. Given the location, Hermann Horrmann-signed watches are not found after 1945. This rabbit hole led me to a crazy German watch forum post where the descendants of Horrmann started chiming in with info and family photos!
Luckily, the folks over at The Verge have us covered here. On his weekly show AI Driven Devices and column "Processor," Dieter Bohn takes a long look at Google's smartwatch strategy, analyzing everything from the company's conspicuous lack of its own watch hardware to how Wear OS stacks up against Apple's watchOS. His conclusions? Well, you'll just have to do some reading and watching to find out for yourself. Even if you're not a smartwatch nerd (or even a user), it's well worth your time.The particular Onyx Day-Date that we have today takes things to an even more special place as it introduces two diamond markers into the equation, making this watch about as interesting as they come. With this piece, you are getting all of the heritage and weight that comes with owning a Rolex Day-Date on a bracelet. You have the iconic day and date displays overtop the stark Onyx surface with the added beauty of the diamond indices. This is a special one, folks.Bubbleback refers to the round, domed caseback of these early automatic Rolex watches. Rolex introduced its first automatic "perpetual" movement in 1931. The first Bubbleback came in 1933, with a bulging caseback to make space for those new 360-degree winding rotors. I won't explore the entire history of the automatic wristwatch, but the legendary David Boettcher has written about the Harwood self-winding watch and precursors to the Rolex Perpetual.
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