Only a few months remain until the much awaited ninth edition of the Only Watch charity auction, which will take place on Saturday, November 6th, 2021 in Geneva, Switzerland. This year’s edition of the biennial event will include a total of 54 watchmakers. There will be 53 lots available, with all revenues going to Duchenne Muscular Dystrophy research.
Armin Strom will donate a one-of-a-kind version of its famous Gravity Equal Force watch as one of those lots, marking the Swiss independent brand’s sixth straight year of involvement in the event.
The Gravity Equal Force, which debuted in 2019, is the world’s first automatic wristwatch with constant-force transmission, according to the family-owned watchmaker.
It accomplishes this accomplishment by incorporating an unique Geneva stop-work declutch mechanism within the mainspring barrel, which provides more constant energy to the balance wheel throughout the 72-hour power reserve. The stop-work declutch mechanism guarantees that the barrel’s initial spins are unused, thus eliminating the section of the mainspring that provides lower torque and less consistent timekeeping.
The micro-rotor of the highly polished, in-house calibre ASB19 movement, as well as the barrel are visible from the dial-side. Those two components, as well as one of the gears, are supported by skeletonized finger bridges at 9 o’clock, which are beautifully counterbalanced by an hour-minute sub-dial with tiny seconds.
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The Gravity Equal Force Only Watch’s blackened movement plate has an elaborate hand-guilloche design created by Kari Voutilainen (The Finn), a friend of the firm and fellow independent watchmaker. The Finn has already collaborated with Armin Strom on earlier iterations of Gravity Equal Force and the brand’s Mirrored Force Resonance watch, supplying his dial expertise.
The hour-minute sub-dial, as well as the trio of dial-side finger bridges that have been coated in a brilliant orange, benefit from the eye-catching backdrop. The latter has been open-worked to reveal the plates and gears beneath, with a sapphire dial disc allowing the mechanics to be completely seen.
The orange stitching on the black fabric strap, as well as the hand-finished stainless steel hands and balancing bridge on the back of the movement, give the watch a sporty, casual appeal while also complementing the charity auction’s color palette.
