Grönefeld One Hertz Red Gold, Long Length Blue Buffalo Strap, Fully Serviced at Grönefeld Manufacture May 2026 - Serial #62865 (Pre-Owned) Laine 5 years remain of the

5 years remain of the 5 year Pascal Coyon Warranty

The watch has an 8 day power reserve (2 barrels running in series) with an indicator sitting above the impressive canon pinion while below displays the date

The movement operates at 4 Hz and delivers a 48-hour power reserve

and ratchet wheel plated in rhodium

Grönefeld One Hertz Red Gold, Long Length Blue Buffalo Strap, Fully Serviced at Grönefeld Manufacture May 2026 - Serial #62865 (Pre-Owned) Laine 5 years remain of theHorology By The Sea is thrilled to present this Grnefeld One Hertz Red Gold, a masterpiece of horological artistry crafted by the renowned Horological Brothers, Bart and Tim Grnefeld. The One Hertzs calibre G 02 is a totally original, in house developed movement featuring stainless steel bridges and exceptional fine finishing. In a dead seconds complication, friction of the mechanism has to be absolutely minimal so it does not interfere with the