MB&F's HM12 'The Guardian' watch transforms into a robot

For $384,000, collectors can now own a new MB&F timepiece that detaches from its strap and transforms into a 38-centimeter, 15-kilogram robot desk clock.

VL
Victoria Laurent

June 13, 2026 · 3 min read

The MB&F HM12 'The Guardian' watch transformed into a 38cm, 15kg robot desk clock, displayed in a luxurious setting.

According to Robb Report, for $384,000, collectors can now own a new MB&F timepiece that detaches from its strap and transforms into a 38-centimeter, 15-kilogram robot desk clock. This creation, the HM12 'The Guardian', blends traditional timekeeping with interactive art. Only 36 examples will be manufactured, split into three distinct colorways, according to Man of Many.

High horology traditionally emphasizes precision and heritage. Yet, MB&F redefines the sector through whimsical transformations and playful, limited-edition art pieces. This challenges conventional luxury watchmaking.

The future of ultra-luxury watch collecting leans into experiential, artistic, and highly exclusive objects that transcend mere timekeeping.

The Mechanics of Transformation and Exclusivity

The MB&F Horological Machine N°12 The Guardian detaches from its strap, clipping onto a 38cm robot body produced by L’Epée 1839. This robot stands 38.2cm high and weighs 15kg, according to Man of Many. The HM12's caliber, offering an 84-hour power reserve, will not be used in any other MB&F creation, states Robb Report. Priced at CHF 280,000 (approximately AUD $500,000) by Man of Many, this intricate engineering for both watch and robot, combined with a unique, non-reusable caliber, positions MB&F at the pinnacle of mechanical artistry. Ultra-luxury is no longer about subtle horological prowess; it is about audacious, interactive art pieces that command attention and redefine the very concept of a 'timepiece.'

Why Does a Watch Transform into a Robot?

The HM12 'The Guardian' transforms from a wrist-worn device into a massive desk robot, shifting its primary function. Its core value proposition is not timekeeping convenience, but a conversation-starting, interactive art object designed for display and occasional wear. While Robb Report initially stated production was 'limited to 12 pieces in three colorways,' Man of Many clarified 'Only 36 examples... split across Green, Blue, and Purple editions of 12 pieces each,' indicating a total of 36. This extreme scarcity, combined with the robot's physical scale (38cm, 15kg), confirms MB&F sells a sculptural art piece that happens to tell time, not merely a timepiece with an accessory. This challenges the utility-first premise of traditional watches. Creating a unique caliber for only 36 pieces of the HM12 means true exclusivity in high horology now demands bespoke, non-reusable mechanical innovation, justifying exorbitant prices through absolute uniqueness. The Market for Experiential Horology The pricing disparity, with Robb Report listing the HM12 at '$384,000' and Man of Many at 'CHF 280,000 (approximately AUD $500,000),' confirms a global target audience. This audience values prestige and scarcity more than minor price fluctuations. Creating a unique caliber for such a limited, non-reusable run demonstrates an extreme commitment to bespoke exclusivity. This moves beyond limited editions into 'one-off' mechanical artistry, inflating value far beyond functional utility. Ultra-wealthy collectors who prioritize unique, artistic mechanical objects benefit most from this trend. While traditionalists may find this departure challenging, the HM12 confirms a growing luxury market segment that favors audacious mechanical art over conventional horological subtlety. If this trend continues, ultra-luxury horology will likely evolve into a realm where mechanical innovation serves as a canvas for artistic expression, prioritizing unique experiences and sculptural forms over traditional timekeeping utility. Many clarified 'Only 36 examples... split across Green, Blue, and Purple editions of 12 pieces each,' indicating a total of 36. This extreme scarcity, combined with the robot's physical scale (38cm, 15kg), confirms MB&F sells a sculptural art piece that happens to tell time, not merely a timepiece with an accessory. This challenges the utility-first premise of traditional watches. Creating a unique caliber for only 36 pieces of the HM12 means true exclusivity in high horology now demands bespoke, non-reusable mechanical innovation, justifying exorbitant prices through absolute uniqueness.

The Market for Experiential Horology

The pricing disparity, with Robb Report listing the HM12 at '$384,000' and Man of Many at 'CHF 280,000 (approximately AUD $500,000),' confirms a global target audience. This audience values prestige and scarcity more than minor price fluctuations. Creating a unique caliber for such a limited, non-reusable run demonstrates an extreme commitment to bespoke exclusivity. This moves beyond limited editions into 'one-off' mechanical artistry, inflating value far beyond functional utility. Ultra-wealthy collectors who prioritize unique, artistic mechanical objects benefit most from this trend. While traditionalists may find this departure challenging, the HM12 confirms a growing luxury market segment that favors audacious mechanical art over conventional horological subtlety.

If this trend continues, ultra-luxury horology will likely evolve into a realm where mechanical innovation serves as a canvas for artistic expression, prioritizing unique experiences and sculptural forms over traditional timekeeping utility.