Armin Strom's renowned Gravity Equal Force collection welcomes a magnificent new addition, the Ultimate Sapphire Salmon. This timepiece brilliantly marries exceptional engineering with artistic flair, showcasing a hand-guilloché salmon-hued mainplate and the brand's innovative constant-force mechanism. It's a vibrant continuation of Armin Strom's dedication to exploring color and transparency in high horology, adding a fresh, warm tone to one of modern watchmaking's most inventive movements.

Armin Strom's Horological Innovation Shines with the Gravity Equal Force Ultimate Sapphire Salmon

Founded in 1967 and revitalized in 2009 by Serge Michel and master watchmaker Claude Greisler, the independent Swiss manufacture Armin Strom, based in Biel/Bienne, meticulously crafts timepieces where every component is designed to be observed and admired. Their ethos marries traditional hand-finishing techniques with groundbreaking technical advancements. The System 78 collection, named after the co-founders' shared birth year, embodies their relentless pursuit of innovation, making exceptional independent horology accessible to discerning collectors.

The Gravity Equal Force (GEF), first launched in 2019, marked a significant milestone in contemporary watchmaking. It proudly became the world's inaugural automatic watch featuring a stop-work declutch mechanism integrated directly into the mainspring barrel. This ingenious innovation guarantees consistent torque delivery and unparalleled accuracy throughout its power reserve. Beyond its remarkable mechanical prowess, the GEF also established a distinctive aesthetic, characterized by an off-centered sapphire sub-dial that thoughtfully exposes the movement's crucial components—the barrel, gear train, and micro-rotor—all artfully arranged with elegant, pocket-watch-inspired finger bridges.

Since its initial release, the GEF series has evolved through numerous limited editions, each celebrating unique colors, masterful craftsmanship, and collaborative spirit. Previous iterations include a collaboration with MONOCHROME, the Montre de Souscription 3, which highlighted traditional German silver tones. Subsequent editions like the Ultimate Sapphire Blue, Purple, and Rose Gold introduced vibrant new color palettes, with each mainplate meticulously hand-guilloché by Kari Voutilainen's esteemed Comblémine atelier. Now, the latest addition, the Gravity Equal Force Ultimate Sapphire Salmon, introduces a rich, luxurious hue to this distinguished ongoing series, further expanding its artistic and technical narrative.

The Gravity Equal Force Ultimate Sapphire Salmon maintains the familiar elegance of its predecessors, featuring a refined 41mm stainless steel case with a height of 12.65mm and a lug-to-lug measurement of 48.09mm. The case showcases a sophisticated interplay of alternating polished and brushed finishes, accentuating its graceful lines. Anti-reflective sapphire crystals on both the front and back offer an unobstructed view of the intricate caliber within. The watch earns its distinctive name from its mainplate, which is treated with a salmon-colored PVD coating and intricately hand-guilloché with a delicate barley grain pattern by the renowned Kari Voutilainen.

The watch's internal architecture reveals itself as a miniature mechanical landscape. The micro-rotor is positioned prominently at one o’clock, balanced by the equal-force barrel at five o’clock, with the gear train seamlessly connecting these vital elements. On the elegant grey-toned sapphire time dial, which also integrates a small seconds display, the rhodium-plated hands are filled with Super-LumiNova, ensuring optimal legibility even in low light conditions.

At the heart of this timepiece, visible from both the front and back, lies the Armin Strom Calibre ASB19. This in-house automatic movement is engineered around the patented Equal Force Barrel, a revolutionary system that employs a Geneva stop-work mechanism and a declutching system within the barrel. This design ensures that constant force is consistently delivered to the escapement, thereby maintaining amplitude stability and significantly enhancing isochronism over its impressive 72-hour power reserve.

The movement operates at a frequency of 25,200 vibrations per hour and incorporates a screwed balance with four regulating screws, allowing for precise adjustments to optimize accuracy. Consistent with Armin Strom's exacting standards, every component of the ASB19 caliber undergoes meticulous hand-finishing and is assembled twice within the brand's Biel manufacture. The finishing details, executed to the highest haute horlogerie benchmarks, include expertly polished bevels, elegant Geneva stripes, intricate perlage, and immaculately black-polished screws.

The Gravity Equal Force Ultimate Sapphire Salmon is presented on a refined grey nubuck leather strap, complemented by matching stitching and secured with a stainless steel folding clasp. This exceptional timepiece is produced in a limited annual edition of 25 pieces, each priced at CHF 27,500.

The launch of the Armin Strom Gravity Equal Force Ultimate Sapphire Salmon serves as a profound reminder of the enduring beauty and ingenuity possible in the world of high-end horology. It highlights that true innovation isn't solely about pushing technical boundaries, but also about the artistic integration of design and craftsmanship. This watch isn't just a device for telling time; it's a wearable piece of art that invites appreciation for both its visible complexity and its subtle aesthetic charm. For collectors and enthusiasts alike, it underscores the value of independent watchmaking—where passion and precision converge to create extraordinary objects that transcend mere utility. It challenges us to look deeper into the mechanics and artistry that define these intricate creations, reminding us that the pursuit of perfection is a timeless endeavor.