William Ruto dpnned a KSh 10.3 million watch while working in his farm. Photo: William Ruto. The Audemars Piguet Royal Oak line sits firmly at the top tier of Swiss watchmaking. The solid gold chronograph variant, depending on configuration and availability, carries an official retail value of between KSh 9.7 million and KSh 10.4 million. Ruto gives tour of his scenic farmWe shared details about Ruto's expansive Kilgoris farm, which features a 400-acre macadamia nut plantation and a flock of about 3,000 sheep.