GRONEFELD
GRONEFELD / The Horological Brothers
GRONEFELD unveils the 1941 Quadrivium at Watches and Wonders 2026: four complications in a 40mm tantalum case, limited to 28 pieces from €280,000.
Gronefeld’s 1969 DeltaWorks — A Return to Mechanical Precision
Key Highlights First sports utility watch from the Dutch Horological Brothers, Bart and Tim Grönefeld
45mm stainless steel case, 12.5mm height,...


























