There was nothing at all wrong with the watch. The history of the Rolex Daytona and its incredible success hinges massively on the technological breakthrough Zenith made with their El Primero.įor anyone in the dark, when Rolex launched their first production chronograph in 1963 it was the closest that giant of a brand had come to experiencing out-and-out failure. The mechanism oscillates at 36,000 vph (5 Hz).For this edition of our ‘Rivalry’ series, we take a look at two watches that manage to be fierce competitors while also sharing a vital bond in each others narratives. It includes a straight-line lever escapement, a monometallic balance, a self-compensating flat balance spring, and an engraved rotor. It's constructed with 39 jewels, 248 components, and a shock absorber device. It is rhodium-plated, with Côtes de Genève and oeil-de-perdrix embellishment. This Zenith El Primero Chronomaster T Open, reference 03.0240.4021/02.C495, runs on a mechanical automatic self-winding Zenith El Primero caliber 4021 column-wheel chronograph movement. It's water resistant to 30 meters/100 feet, and the 13.5mm thick case, dial, and movement are all signed. A "reserve de march" 50-hour power reserve indicator arch is at the 6 o'clock position, and a 30-minute totalizer sub dial inside a brushed ring is at 3 o'clock. There are steel dauphine hands, with a balanced center sweep chronograph hand. It has a silver guilloche dial with applied steel dart hour markers on a brushed steel reserve with a minute/second track. The gold guilloche rotor is engraved "El Primero," with the Zenith star, and "Swiss made manufacture Le Locle." The 40mm diameter solid two-body case, fluted downturned lugs, and stepped bezel are polished. It has a screw-down exhibition sapphire display case back secured with 8 screws, engraved with "Zenith – ChronoMaster – water resistant 30M – Stainless Steel," and the reference number. There are rectangular chronograph pushbuttons, and a heart-shaped open face area is between 8 and 12 o'clock that shows the escapement. It has an alligator leather strap with a stainless steel deployant buckle, and a scratch resistant sapphire crystal. This is a stainless steel Zenith El Primero Chronomaster T Open, reference 03.0240.4021/02.C495. More about El Primero SS Chronomaster T Open
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |