3970EP, 'Big Hallmark' Second Series, Perpetual Calendar Chronograph, Platinum Steel The Evergreen’s balanced green tones

The Evergreen’s balanced green tones are well suited to the timeless design of the dial

Original squared or ‘thick’ font bezel

fewer still with a salmon dial

The 25860 maintains the original proportions of the 39mm Jumbo Royal Oak case

highly collected not just for rarity or beauty but as a harbinger of Switzerland’s return to dominance post-quartz crisis in complicated

3970EP, 'Big Hallmark' Second Series, Perpetual Calendar Chronograph, Platinum Steel The Evergreen’s balanced green tonesA Second Series 3970 in platinum, the singular known example combining an Italian calendar with the desirable Big Hallmark. Just 11 Second Series examples were produced in platinum, the rarest standard production metal, only two in Italian. The rarity of this configuration is matched by that of its condition, its case and dial unrestored and exceptional. The 3970 succeeded the 2499 in 1986, the most significant contribution of Philippe Sterns tenure