3970EP, 'Big Hallmark' Second Series, Perpetual Calendar Chronograph, Platinum Steel Created in order to signal

Created in order to signal to the world the sincerity and seriousness of their watchmaking

utilitarian appearance

This particular example

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

3970EP, 'Big Hallmark' Second Series, Perpetual Calendar Chronograph, Platinum Steel Created in order to signalA 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