Important Modern & Vintage Timepieces

Monaco, Jul 21, 2021

LOT 222

Zenith
Self-winding, chronograph, minute and hour counters, date; “El Primero”; stainless steel

EUR 3,000 - 5,000

USD 3,600 - 6,000 / HKD 27,700 - 46,200

Sold: EUR 3,510

Stainless steel, self-winding, tonneau-shaped, gentleman’s wristwatch, water-resistant, with screwed case-back, silver colour dial with subsidiary seconds at 9 and four horological complications:
• 1/10 second chronograph (activated by the two round-shaped push-pieces)
• Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock)
• 12-hour counter (subsidiary dial at 6 o’clock)
• Instantaneous date of the month (aperture between 4 and 5 o’clock)


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Grading System
Grade: AA

Very good

Case: 3

Good

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-6-8-01

Good

Slightly oxidized

Slightly scratched

HANDS Original

Brand Zenith, Le Locle

Model Chronograph Automatic, El Primero”

Year circa 1975

Movement No. unnumbered

Case No. 019 E 148

Bracelet stainless steel Zenith bracelet

Length 180 mm. (approx.)

Caliber 3019 PHC

Dimensions 44.7 x 37.8 mm

Length 180 mm. (approx.)

Signature dial, case and movement

Notes

Zenith, “El Primero”
 
The “El Primero” self-winding chronograph was launched in 1969. It was the world’s first and the only one in its category to measure short periods of time to one-tenth of a second. The lever escapement movement beating 36 000 vibrations / hour (high mechanical frequency) and is fitted with a central rotor mounted on ball bearings. The coordination of chronographic functions is operated by column wheel. 50-hour power-reserve.
 
At this time, two versions of the calibre exist:
 
• Z 400, instantaneous change of date with quick setting; 31 jewels, diameter 30 mm., height 6.5 mm., 280 components.
 
• Z 410, instantaneous change of date and day with quick setting, month and moon phases; 31 jewels, diameter 30 mm., height 7.55 mm., 354 components.
 
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*a 20% import VAT is due on the hammer price with buyer's premium, plus 150€ for termination of temporary export, at buyer's expense, only if it is delivered within the EU