Zenith El Primero Flyback Rainbow


In 1997, the Zenith put for­ward the idea of the Rain­bow Fly­back which was a watch rugged and has high-performance. It was capa­ble of cop­ing with the most tremen­dous sit­u­a­tions. The brand with the star today is stim­u­lated by this accu­rate instru­ment propos­ing a ver­sion sport­ing interest.

El Primero Flyback Rainbow

The new El Primero Rain­bow was pro­duced in a lim­ited edi­tion of 250 copies and will be avail­able exclu­sively at the bou­tique Zenith. Inspired by the auto­matic cal­iber 405 B, with a column-wheel chrono­graph El Primero Stratos beats the excep­tional fre­quency of 36,000 alter­na­tions per hour to an accu­racy to the tenth of a sec­ond and has a date, teleme­ter scale and espe­cially Fly­back func­tion, tra­di­tion­ally linked to the world of avi­a­tion. This func­tion allows it to stop, reset and restart the chrono­graph with a sin­gle ges­ture, against the three pres­sures required in a nor­mal chrono­graph. In TiAlum black, a spe­cial tita­nium alloy and alu­minum light­weight yet very durable, the case has a diam­e­ter of 45.5 mm bezel with black disc scratch-protected alu­minum. The domed sap­phire crys­tal recalls the shape of the trans­par­ent dome at the rear of the fuse­lage nec­es­sary for celes­tial nav­i­ga­tion. The trans­par­ent sap­phire crys­tal case back engraved allows you to admire the fas­ci­nat­ing mechan­ics of the El Primero cal­iber. On the dial, the minute counter at 3 o’clock is made ​​of col­ors that pro­vide read­ing even dur­ing the night hours in the cock­pits illu­mi­nated infrared, just like the first model devel­oped in col­lab­o­ra­tion with a fighter pilot, while the hour counter is posi­tioned at 6 o’clock and small sec­onds hand at 9 o’clock. The indexes in Super­lu­mi­nova white stand out clearly against the black back­ground of the dial and case, while the chrono­graph hand, which is also clearly vis­i­ble, dressed in red. The tachymeter scale on the flange adds depth to the col­lec­tion. Watch very aggres­sive; the El Primero Rain­bow fea­tures a black rub­ber strap that looks very sporty and equipped with fold­ing clasp with black PVD treatment.


El Primero 405 B with auto­matic features

Cal­iber: 13 ¼”

Thick­ness: 6.60mm

Com­po­nents: 331

Jew­els: 31

Fre­quency: 36,000 A per h

Power reserve of min. 50 hours

Fin­ish­ing includes oscil­lat­ing weight


Hours and min­utes vis­i­ble in the center

Small sec­onds

Chrono­graph and its three counters:

- The pointer to the center

- 30-minute counter

- 12-hour counter

- Scale telemetric

Date at 6 o’clock

The dial, case and hands

Mate­r­ial: alloy TiAlum

Uni­di­rec­tional rotat­ing bezel features

Case diam­e­ter: 45.5 mm

Dial Diam­e­ter: 35 mm

Thick­ness: 14.10mm

Glass: sap­phire crystal

Back of case: sap­phire crystal

Water resis­tance: 10 ATM

Dial: 30-minute counter

Hour Mark­ers con­tains Ara­bic numerals

Hands: Rhodium Faceted

Rub­ber strap or triple folding



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