Platinum One Hertz
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Platinum Grönefeld Tourbillon Minute repeater
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Platinum Grönefeld Tourbillon cathedral Minute Repeater
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Platinum Grönefeld Tourbillon cathedral Minute Repeater
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18k RG Grönefeld Tourbillon Minute Repeater
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18k RG Grönefeld Tourbillon cathedral Minute Repeater
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Back of 18k RG Grönefeld Tourbillon cathedral Minute Repeater
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Grönefeld Tourbillon Minute Repeater movement
One Hertz "1912" in steel
The superb One Hertz in steel, limited to 12 pieces, as the initial introductory offering for their new caliber with the independent dead beat seconds.
the 18k RG One Hertz "Dune"
The second series of watches housing their new inhouse caliber.
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One Hertz Dune
18K RG case. limited to 20pcs.
One Hertz Dune caliber
Showing off the stunning Gronefeld case back. Stainless steel bridges with lovely anglage. Unique and brilliant independent Dead seconds with its own barrel.
One Hertz Technik
Titanium cased open dial One Hertz. Limited to 30pcs.
One Hertz Technik caliber
