The G-01 is Grönefeld's first in-house caliber, a manual-winding tourbillon minute repeater introduced in 2008. It powers the GTM-06, recognized as the most complicated wristwatch ever produced in the Netherlands. The movement was discontinued after producing 10 pieces in platinum and 10 in pink gold.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
Winding
Manual
COMPLICATIONS
Minute RepeaterTourbillon
QUICK FACTS
FOR WATCH DEALERS
Sell watches powered by the G-01?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.