We are thrilled to announce the launch of the Armin Strom Gravity Equal Force Ultimate Sapphire Blue, a masterpiece of Swiss horology that combines technical innovation with glacial elegance.

Design & Aesthetics

The watch features a 41 mm stainless steel case and an off-center transparent sapphire crystal dial with a subdial. The main plate, crafted by Kari Voutilainen, showcases a stunning glacial blue guilloché pattern. The color palette of silvery greys and soft blues is inspired by the serene beauty of Swiss glacial lakes. The watch is completed with a blue nubuck leather strap with ice blue stitching.

Movement & Mechanics

Powered by the proprietary Caliber ASB19, the Gravity Equal Force Ultimate Sapphire Blue is the world’s first automatic movement with a patented stop-work declutch mechanism and Geneva cross. This ensures consistent torque and precision across a 72-hour power reserve. The movement is visible through both the front and back sapphire crystals, and features hand-finished components with perlage, Geneva stripes, and circular graining.

Craftsmanship

Each watch is assembled twice to ensure reliability and refinement. Every component is hand-finished in Biel/Bienne, emphasizing traditional techniques and an open-worked design.

Brand Philosophy

Armin Strom celebrates Swiss horological tradition and innovation. Founded in 1967 and revitalized in 2009 by Claude Greisler and Serge Michel, the brand is known for exposing movement mechanics on the dial side. Their motto, “The Science of Movement,” reflects their dedication to precision and craftsmanship.

Limited Edition

The Gravity Equal Force Ultimate Sapphire Blue is limited to just 25 pieces per year, making it a truly exclusive timepiece.
 

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Arnold & Son continues to push the boundaries of mechanical artistry with the launch of two new interpretations of its iconic DSTB 42 timepiece. The DSTB 42 Red Gold Mint Green and DSTB 42 Platinum Ascot Blue editions bring a fresh chromatic perspective to one of the brand’s most emblematic complications: the true beat seconds.

A tribute to the marine chronometers once supplied by John Arnold to the Royal Navy, the true beat seconds—also known as “deadbeat seconds”—is a rare and technically demanding feature. Unlike the sweeping motion of a conventional seconds hand, this mechanism causes the hand to jump precisely once per second, echoing the cadence of traditional precision timekeeping.

In these two new editions, Arnold & Son elevates the complication with bold color and refined materials. The Red Gold Mint Green model features a vibrant mint green dial housed in an 18K red gold case, while the Platinum Ascot Blue edition pairs a deep blue dial with the cool elegance of platinum 950. Both dials are grained for a rich, light-catching texture and are punctuated by a white opal subdial for hours and minutes, offset at 5 o’clock.

The true beat seconds mechanism is fully visible on the dial side, supported by three openworked bridges crafted in solid gold—red gold for the Mint Green edition and white gold for the Ascot Blue. The seconds hand travels along a railway track between 9 and 12 o’clock, orchestrated by a dedicated mechanism that mimics the precision of an escapement. The anchor-shaped counterweight, a nod to Arnold & Son’s maritime heritage, adds a poetic touch to the technical display.

Powering both models is the in-house A&S6203 automatic movement, beating at 4 Hz and offering a 55-hour power reserve. The movement is meticulously finished with Geneva stripes, perlage, polished angles, and a 22K gold oscillating weight.

Each watch is paired with a hand-stitched alligator leather strap—green for the red gold version and ink blue for the platinum—and secured with a matching pin buckle. Both editions are strictly limited to 18 pieces worldwide, underscoring their exclusivity and collectability.

With the DSTB 42 Red Gold Mint Green and Platinum Ascot Blue, Arnold & Son reaffirms its commitment to blending horological innovation with bold design. These timepieces are not only feats of mechanical engineering but also vibrant expressions of individuality and craftsmanship.

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