![]() ![]() The Seiko ‘6139’ was discontinued in 1980 with the Calibre 11 being upgraded to a Calibre 12 within a year due to issues such as an overly strong mainspring and weak rotor. The brand did so in a way which has meant the ‘El Primero’ has out competed and out lived its rivals. Already later than many other brands, Zenith had to differentiate its calibre to stand out. A calibre which had involvement from brands such as Heuer, Breitling, Buren and Dubois-Depraz.ĭuring 1969, the production of these movements meant that automatic chronographs watches were readily available on the market. 1969 saw Zenith announce the El Primero in January (didn’t release until October), Seiko release the 6139 movement to the Japanese market in May with Heuer’s calibre 11 being released in August 1969. The title of ‘the first automatic chronograph’ is one that is fiercely fought over and has, historically, caused much contention among the watch world. El Primero proudly printed on the case back An achievement earned through over 300 years of learning from watch making tradition. The El Primero has the honour of being the most accurate series produced movement in the world. Zenith’s El Primero movement has provided a concrete foundation on which the brand has been able to build a rich history. ![]() At number 34, Rue des Billodes, Le Locle the manufacturer has been working tirelessly to perfect the art of time keeping to such a level of precision to earn 2,333 chronometry awards during their lifetime. The mechanism oscillates at a frequency of 36,600 vph.Since 1865, a small Swiss town nestled with the valleys of Neuchatel has been producing on of the most famous movements ever made within the watch industry. There is a straight-line lever escapement, a self-compensating Breguet balance spring, a monometallic balance that's adjusted to 5 positions, and an index regulator. It's constructed with 41 jewels, 322 components, and a shock absorber mechanism. The automatic self-winding Zenith El Primero Caliber 4047 movement is rhodium-plated with fausses cotes embellishment. The 15.6mm thick case, dial, and movement are all signed. It's water resistant to 50 meters/165 feet, and there is a 50-hour power reserve at full wind. A running seconds sub dial is visible inside the cutout at 9 o'clock, and there is a double-digit window with a patented 3-disk grande date at 2 o'clock. The column wheel chronograph stop/watch has round pushbuttons and a large blue central seconds counter hand. There is a moon phase subsidiary dial with sunray design, a day/night indicator at 6 o'clock, and a 30-minute dial at 3 o'clock. ![]() It has applied rhodium plated rose gold baton hour index markers with luminescent tips, and skeletonized baton hands with luminescent inserts. There is a printed black minute indicator track with an outer tachymeter scale. The dial is silvered with an open-worked figure eight cutout at 9 o'clock, with a fine rose gold rim that's secured by 3 gun-metal blued screws. The 45mm diameter solid three-body case is polished with brushed downturned lugs and an angled bezel. It has a leather strap with a matching steel deployant buckle, a scratch resistant sapphire crystal, and a sapphire display case back with anti-reflective coating on both surfaces. This is a stainless steel Zenith El Primero Chronomaster Open Grande Date, 03.2160.4047/01.c713. More about El Primero Chronomaster Open Grande Date SS / Leather ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |