Zenith – Horological School of Porrentruy Ref. 01.0500.400, self-winding, chronograph, minute and hour counters, date; “El Primero”, “Ecole d’Horlogerie, Porrentruy”; stainless steel -- The Pièce Ecole (school piece) of Laurent F…, Master Watchmaker -- |

Hong Kong, May 28, 2022

LOT 162

Zenith – Horological School of Porrentruy

Ref. 01.0500.400, self-winding, chronograph, minute and hour counters, date; “El Primero”, “Ecole d’Horlogerie, Porrentruy”; stainless steel

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The Pièce Ecole (school piece) of Laurent F…, Master Watchmaker

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HKD 31,700 - 47,500

EUR 3,900 - 5,800 / CHF 4,000 - 6,000 / USD 4,100 - 6,100

Sold: HKD 33,750

Stainless steel, self-winding, “tonneau”-shaped, gentleman’s wristwatch, water-resistant with sapphire-crystal snap-on case-back, silver colour dial with subsidiary seconds at 9 and four horological complications:

· 1/10 second chronograph (activated by the two rectangular-shaped push-pieces located on the case-band) with tachometer scale graduated on the dial for 400 units per hour

· Half-instantaneous 30-minute recorder (subsidiary dial at 3 o’clock)

· 12-hour recorder (subsidiary dial at 6 o’clock)

· Half-instantaneous date of the month (aperture between 4 and 5 o’clock)