Zenith Chronomaster El Primero Open 42mm SS


Zenith 03.2040.4061 Chronomaster El Primero Open 42 0320404061/52c700 stainless steel case on a leather strap with a stainless steel deployant clasp, automatic El Primero 4061 movement with 31 jewels, 50-hours power reserve, 30-minute chronograph, blue "open worked" dial with exposed escapement, applied stick markers, luminescent hands, sapphire crystal, display back, water resistant to 100 meters, diameter: 42mm, thickness: 14.05mm, Like New with Zenith box and papers dated Decemober 2018.

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More about Chronomaster El Primero Open 42mm SS

This is a stainless-steel Zenith Chronomaster El Primero Open Blue 1969 03.2040.4061/52.c700. It includes a stainless-steel case on a leather strap with a stainless-steel deployment clasp and scratch resistant sapphire crystals (domed over the dial). It has "pushrod-style" chronograph push buttons, a signed pull-out winding crown, and there is an exhibition sapphire display crystal case back secured with 4 screws and engraved with "EL PRIMERO – 100M." The 42mm diameter solid two-body case, curved lugs, and thin flat bezel, are polished. The dial is open worked with a blue background and it has applied faceted baton hour markers with luminous end pips surrounded by a white second/minute scale with a silver chapter ring with a white minute/second scale. There is a blue perimeter flange with a white Arabic numeral tachymeter to 500 UPH. There are two circular overlapping recessed subsidiary dials including a white 12-hour chronograph totalizer at 6 o'clock, a grey 30-minute recessed dial with white Arabic numerals at 3 o'clock, both with steel indicator hands, and there is a large open worked area framed with a silver three-screw gasket from 9 to 12 o'clock that shows the escapement. It includes steel baton hour and minute hands as well as a red center sweep second hand with a Zenith star counterweight. It has a 50-hour power reserve at full winding It's water resistant to 100 meters/330 feet, and the 14.05mm thick case, dial, and movement are all signed. This Zenith Chronomaster El Primero Open Blue 1969 03.2040.4061/52.c700 has a mechanical automatic self-winding Zenith El Primero caliber 4061 (base Zenith El Primero 400) column wheel chronograph movement. It's rhodium plated and it's constructed with 31 jewels, 282 components, blued screws, an anti-shock device, and a monometallic balance that's adjusted for temperature and 5 positions. It has a silicon escape wheel and lever, and the mechanism oscillates at a frequency of 36,000 vph (5 Hz). The Zenith Chronomaster El Primero Open Blue 1969 03.2040.4061/52.c700 was introduced in 2017 and it was produced until 2021.

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