Cosmograph Daytona Zenith Movement

SPECIFICATIONS

Brand: Rolex
Model: Oyster Perpetual Cosmograph Daytona Zenith El Primero
Reference Number: 16520
Movement: Automatic
Condition: Unworn - new old stock 
Gender: Men’s
Time Period: 1997-1998
Box: Yes
Papers: Yes

THE CALIBER

Caliber: 4030
Jewels: 31

THE CASE

Case Material: Stainless steel
Case Diameter: 40 mm
Thickness: 12.5 mm
Waterproof: 100 ft./ 30 m./ 3 ATM
Bezel Material: Fixed stainless steel engraved Cosmograph Tachymeter scale
Glass: Sapphire Crystal
Caseback: Solid
Dial: Black stick dial with white outer sub-dial rings 
Dial Numerals: 18K white gold applied baton with luminescent coating baton hour indices, minutes, and 1/5 seconds divisions scale around the outer rim

THE BRACELET / STRAP

Bracelet Material: Stainless steel Oyster
Buckle: Crown folding Oysterlock safety clasp
Buckle Material: Stainless steel

THE FUNCTIONS

Center hour, minute and seconds hands, chronograph (center hand) accurate to within 1/8 of a second, column wheel, chronograph sub-dials counters 60-second at 9 o'clock, 30-minute at 3 o’clock and 12-hour at 6 o’clock, Tachymeter counter on the bezel, 54-hour power reserve

FURTHER READING

Brushed and polished round-shaped case
18K white gold and luminescent baton hands, yellow gold applied stick center sweep seconds hand
Double quickset, stop-seconds for precise time setting
18K white gold and luminous insert baton-shaped hours/minute hands, yellow gold stick-shaped sub-dial hands, blackened arrow-shaped chronograph hand
Stainless steel screw-down solid case back
Stainless steel screw-down chronograph pushers at 2 (start/stop) and 4 o'clock (reset)
Stainless steel triple-sealed waterproof screw-down crown with Rolex logo
Automatic 4030 Zenith movement 
The production period of this model was from 1989 to 2000; afterwards, it was replaced by the Rolex-own development Rolex 4130.
Self-winding movement, bi-directional winding, Breguet hairspring, Chronometer certificate (COSC), Stone lever escapement, Yoke winding system, Glucydur balance wheel with microstella screws, Kif shock protection for balance wheel and escape wheel
Adjusted to heat and five positions, monometallic balance, shock absorber
This mechanism oscillates at the frequency of 28,800 vph (4 Hz).
U serial number
Case, dial, and movement are signed.
Introduced in 1963 as a sports companion for professional race car drivers, the Daytona comes equipped with a Tachymeter bezel alongside the sub-dials to calculate speeds of up to 400 kilometers per hour. 
Complete (with box and original Rolex papers)

Authentication

At Twain Time, trust and authenticity define our collection. With a rich history dedicated to the luxury watch industry, our Swiss-trained watchmakers meticulously authenticate each piece. This assurance is backed by our 1-year Twain Time Warranty, ensuring a seamless and reliable experience with every pre-owned watch.

Our experts not only authenticate but also preserve the craftsmanship of each luxury watch with meticulous care, utilizing factory-sourced parts for repairs. This commitment to excellence solidifies our reputation for quality and reliability. Our dedication and heritage have earned trust through curated timeless experiences, while our rigorous vetting process guarantees confidence in our ever-evolving collection.

Additionally, we offer a unique complimentary evaluation service, affirming our commitment to your confidence. Whether you choose to ship or bring a watch purchased elsewhere to our boutique, we thoroughly authenticate it, reinstating trust in your timepiece.

Discover our blog, team stories, and collector testimonials, unveiling a trusted partnership built on authenticity, expertise, and the seamless care embedded in our reputation at Twain Time.

Ordering & Shipping

At Twain Time, our ordering and shipping experience is designed with your ease in mind.

When you place an order, anticipate a prompt email confirmation including an estimated delivery timeline. Whether it's domestic or global, our swift and insured shipping ensures your item reaches you securely. Rest assured, if an item happens to be out of stock, there's no charge, and we'll promptly inform you.

Before each watch embarks on its journey, it undergoes a meticulous inspection, guaranteeing its accuracy and flawless functionality upon arrival at your doorstep.

We partner with renowned carriers such as FedEx, UPS, and DHL for global shipping. Domestic orders benefit from complimentary insured express shipping, while international charges may vary. While delivery times are approximations, domestic orders typically arrive within 1-2 days, whereas international shipments take approximately 7 days, accounting for customs clearance.

To safeguard your purchase, all shipments require an adult's signature and are fully insured. Please note, we dispatch to the address registered with your credit card company.

For international orders, customers are responsible for customs charges, import/export duties, applicable fees, or taxes. Additionally, New York clients are accountable for NY sales taxes on taxable orders shipped to NY State addresses. Should you seek further details, our extensive ordering & shipping policy offers comprehensive insights.

Once your order is en route, expect a tracking number for real-time monitoring of your delivery.

Any queries or feedback? Feel free to reach out to us at info@twaintime.com. Your satisfaction is our priority.

Warranties & Repairs

At Twain Time, trust is our timepiece's best friend. Our commitment to quality spans every pre-owned watch and mechanical marvel in our collection. Should the unexpected occur, count on us to swiftly make things right. We treasure our clients' satisfaction and trust above all else—this ethos echoes through every member of our team.

Each pre-owned watch undergoes meticulous, non-invasive mechanical scrutiny and servicing if needed. This ensures they not only meet but exceed our stringent standards for accuracy and functionality.

Rest easy knowing that unless otherwise noted, our pre-owned watches come with a robust warranty—either full or limited—spanning twelve months. However, this doesn't cover damages from misuse or accidents. Given their age, some watches may require gentler treatment than when they were brand new.

For those watches serviced by their original manufacturers, they bear the manufacturer's guarantee, surpassing our standard warranty. To delve deeper into warranties & repairs, check out our dedicated section. And if there's any doubt, drop us a line at info@twaintime.com for absolute clarity. At Twain Time, trust isn't just a promise—it's our guiding principle.

Returns & Exchanges

At Twain Time, ensuring your satisfaction drives our return and exchange policy. You have a 5-day window for hassle-free returns from receipt, provided the product is unworn, undamaged, and retains its original tag. We offer exchanges or full refunds via the original payment method for qualifying returns.

Exceptions include personalized, worn, or damaged items, as well as missing accessories. Exchanges allow exploration of our diverse pre-owned and luxury watch selection. Return items should be unworn with all original packaging intact, and jewelry returns must maintain their original condition.

Special order items and certain criteria are exempt from the standard return policy. Our comprehensive returns and exchanges policy, available for full information, applies to in-stock items and excludes consigned, special, or custom orders. Contact us for special order exchange details.

In case of difficulty meeting return conditions, contact us for discussion and authorization before initiating the process.

Notify your Twain Time Client Advisor within 3 days of receipt to request authorization for returns. International returns are accepted with buyers responsible for return shipping, customs fees, and taxes.

For queries or guidance, reach out to us at +1 (212) 256-0303 or info@twaintime.com. We're here to assist promptly.