3970EP, 'Small Hallmark' Second Series, Perpetual Calendar Chronograph, Platinum Skeletonized Inside lies calibre 240 HU

Inside lies calibre 240 HU LU

heavily influenced by Daniel Roth

This was the first classically proportioned model from Greubel Forsey

This is quite simply an incredibly special

and many design details reference the Porsche 935 Ferrier raced as muse for this Sport Auto

3970EP, 'Small Hallmark' Second Series, Perpetual Calendar Chronograph, Platinum Skeletonized Inside lies calibre 240 HUA Second Series 3970 in platinum. Just 11 Second Series examples were produced in platinum, the rarest standard production metal. Well preserved here, the 3970 succeeded the 2499 in 1986, the most significant contribution of Philippe Sterns tenure over the brand. It features a 36mm Ateliers Runis case, Lemania bauche calibre CH 27 70 Q, feuille hands of Early Series, American Typewriter font, and warmer Argent dial of Early Series. It is the Perpetual