Grönefeld
Model: 1941 Principia The Principia is housed in the brand's 1941 case named for the year Sjef Gronefeld was born. Constructed in Stainless steel it is fitted with a sapphire case back, highlighting the beautifully executed 22-karat solid red gold monobloc rotor, extensively decorated by hand, that rotates on a ceramic ball bearing, preventing wear and eliminating the need for lubrication. The movement includes a balance wheel with white gold timing screws and is equipped with a reliable free-sprung hairspring. Each
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80
Model: One Hertz Classic A rare and fine limited edition titanium wristwatch with independent deadbeat seconds, Certificate of Authenticity, and presentation box, numbered 1 of 30
Estimate $25,000 - 50,000
Sold for $47,880
274
Ref. 1941Model: 1941 Remontoire for Hodinkee A very attractive and rare limited edition stainless steel wristwatch with remontoire, warranty and presentation box
Estimate CHF18,000 - 36,000
Sold for CHF73,080