Pierre DeRoche SplitRock Big Numbers Chronograph Swiss Automatic | 29 × 42.5 mm | Stainless Steel A rare creation from independent Swiss watchmaker Pierre DeRoche, the SplitRock Big Numbers combines bold architectural design with exceptional mechanical craftsmanship. Its polished 29 × 42.5 mm stainless steel case houses a striking black dial with oversized Arabic numerals and the brand’s signature chronograph display. Powered by a Swiss automatic movement and finished with a sapphire exhibition case back, this uncommon collector’s piece is paired with a black alligator leather strap and curated for those who appreciate exclusivity beyond the mainstream.