Chronomaster El Primero 51.2150.400/69.C713 - Watch ZENITH - Free user manual and instructions
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| Product Type | Men's Luxury Chronograph Watch |
| Model Reference | 51.2150.400/69.C713 |
| Brand | Zenith |
| Movement Type | Automatic (Self-Winding) El Primero 400 |
| Power Reserve | Approx. 50 hours |
| Case Diameter | 42 mm |
| Case Thickness | 14 mm |
| Case Material | Stainless Steel |
| Bezel Material | Fixed Stainless Steel with Tachymeter Scale |
| Crystal | Domed Scratch‑Resistant Sapphire with Antireflective Coating |
| Dial Color | White with Tricolor Chronograph Counters |
| Strap Material | Alligator‑pattern Black Leather with Buckle |
| Water Resistance | 100 meters (330 feet) |
| Functions | Hours, Minutes, Small Seconds, Chronograph (12h/30min/60sec), Date |
| Weight | Approx. 150 g |
| Lume | Super‑LumiNova on Hands and Hour Markers |
| Service Interval | Every 3–5 years recommended |
| Cleaning Instructions | Wipe with a soft lint‑free cloth; avoid chemicals and water jets |
| Spare Parts | Available through Zenith authorized dealers |
Frequently Asked Questions - Chronomaster El Primero 51.2150.400/69.C713 ZENITH
How do I set the time on my Zenith Chronomaster El Primero?
Pull the crown to position 2 (second click). Rotate clockwise or counterclockwise to set the desired time. Push the crown back to position 0 after setting.
How do I set the date?
Pull the crown to position 1 (first click). Rotate clockwise to advance the date. Avoid setting the date between 8 PM and 4 AM to prevent damaging the movement.
How do I use the chronograph?
Press the upper pusher (start/stop) to start or stop the chronograph. Press the lower pusher (reset) to reset the hands to zero. The subdials show 12‑hour, 30‑minute and 60‑second counters.
Is the watch water resistant? Can I swim with it?
Yes, it is water resistant to 100 meters (330 feet). Suitable for swimming and snorkeling, but not for deep diving. Avoid pressing pushers underwater.
Does the watch require a battery?
No, it is an automatic mechanical watch powered by your wrist movement. It has no battery. If not worn for 50 hours, wind it manually by rotating the crown clockwise about 20 times.
How often should I service my El Primero watch?
Zenith recommends a complete service every 3 to 5 years to maintain accuracy and longevity. This includes cleaning, oiling, and adjusting the movement.
Can I replace the strap myself?
Yes, the strap is interchangeable using a spring bar tool. We recommend having it done by a professional to avoid scratching the case. Zenith offers various strap options.
How do I clean and maintain the watch?
Wipe the case and crystal with a soft, lint‑free cloth. For leather straps, avoid water and moisture. Use a slightly damp cloth for metal bracelets, then dry thoroughly. Avoid ultrasonic cleaners and harsh chemicals.
What is the power reserve and how do I know when it is low?
The power reserve is approximately 50 hours. The watch has no indicator; if it stops after not being worn for 2 days, wind it manually. Regular wear keeps it running.
Where can I find spare parts or authorized service?
Contact an authorized Zenith dealer or service center. Visit the Zenith website to locate the nearest service facility. Use only genuine Zenith parts for repairs.
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