Citizen Eco-Drive Nighthawk Chronograph Watch - Grey - 42mm
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Product Information
Full details
The Citizen Eco-Drive Nighthawk Chronograph is designed for aviation enthusiasts and professionals seeking a reliable, pilot-inspired timepiece that blends tactical aesthetics with modern utility. Its standout benefit is the proprietary Eco-Drive technology, which eliminates the need for battery replacements by converting any light source into energy, though users should be aware that the 42mm case size may feel substantial on smaller wrists.
All features
| Dial Size | 42mm |
|---|---|
| Colour | Grey |
| Material | Nylon |
| Series | Eco-Drive Nighthawk |
| Model Part Number | CA0897-04H |
| Brand | Citizen |
Extended Product Information
FAQs
Does the watch need batteries?
No, the Eco-Drive technology powers the watch using any form of light.
Is the watch waterproof?
The watch is water-resistant, suitable for daily wear and splashes, but not designed for professional scuba diving.
How long does a full charge last?
Once fully charged by light, the watch can typically run for several months in total darkness.
Can I replace the nylon strap with a metal one?
Yes, the watch uses standard lug widths, allowing for aftermarket strap compatibility.
How should I clean the nylon strap?
Use a soft brush with mild soap and warm water, then allow it to air dry completely.
Troubleshooting
Watch stopped running.
Place the watch under a bright light source for several hours to recharge the Eco-Drive power cell.
Date is incorrect.
Pull the crown to the first click and rotate clockwise to advance the date wheel until the current date is shown.
Chronograph hands are not at zero.
Consult the manual for the '0-position reset' procedure using the crown and buttons to recalibrate the hand alignment.
Pros and Cons
Pros
- Battery-free operation via Eco-Drive
- Highly legible luminous markers
- Durable, flight-inspired construction
- Sophisticated grey aesthetic
Cons
- 42mm case may be large for some wrists
- Nylon strap requires specialized cleaning compared to metal
- Advanced flight rule calculations require practice
Setup, Compatibility & Care
To set the time, pull the crown out to the second click and rotate to adjust the hour and minute hands. For the date, pull the crown to the first click and rotate clockwise. Ensure the watch is exposed to direct sunlight or ambient office light regularly to keep the capacitor charged. For care, clean the nylon strap periodically with a soft brush and mild soap to remove debris and oils. Avoid exposing the watch to harsh chemicals or extreme magnetic fields. Always push the crown back into the neutral position after adjustments to maintain water resistance.