Introduction
This manual provides comprehensive instructions for the MontBlanc TimeWalker GMT UTC Men's Watch, model 115360. It covers setup, operation, maintenance, and specifications to ensure optimal performance and longevity of your timepiece.

Image 1: The MontBlanc TimeWalker GMT UTC Men's Watch, model 115360, featuring a black dial, luminescent hands, and a black carbon fiber leather strap with red stitching.
Setup
Initial Winding
Your MontBlanc TimeWalker watch is equipped with a self-winding automatic movement. While wearing the watch will keep it wound, for initial setup or after a period of inactivity, it is recommended to manually wind it.
- Unscrew the crown (if applicable) and pull it out to position 1 (winding position).
- Turn the crown clockwise approximately 30-40 times. This will build up a sufficient power reserve to start the watch.
- Push the crown back in and screw it down securely to ensure water resistance.
Operating Instructions
The crown on your watch has multiple positions for setting various functions. Always ensure the crown is pushed back in and screwed down (if applicable) after making adjustments to maintain water resistance.
Crown Positions:
- Position 0 (Pushed In & Screwed Down): Normal operating position, water-resistant.
- Position 1 (Pulled Out, First Click): Manual winding (if not screwed down), or quick date adjustment.
- Position 2 (Pulled Out, Second Click): Time setting, GMT hand adjustment.
Setting the Time and Date:
- Unscrew the crown (if applicable) and pull it out to Position 2. The seconds hand will stop.
- Turn the crown to set the main hour and minute hands. Advance the hands past 12 o'clock to determine if it is AM or PM. The date will change when passing midnight.
- Once the correct time is set, push the crown back to Position 1.
- Turn the crown clockwise or counter-clockwise (depending on the movement) to adjust the date quickly. Do not adjust the date between 9 PM and 3 AM, as this can damage the movement.
- After setting the date, push the crown back to Position 0 and screw it down securely.
Setting the GMT/UTC Second Time Zone:
The red-tipped skeletonized hand indicates the 24-hour second time zone (GMT/UTC).
- Unscrew the crown (if applicable) and pull it out to Position 2.
- While setting the main time, the GMT hand will also move. Align the GMT hand with the desired 24-hour time on the outer bezel.
- Once both the local time and GMT time are set, push the crown back to Position 0 and screw it down securely.
Maintenance
Water Resistance:
Your MontBlanc TimeWalker watch is water resistant to 30 meters (100 feet). This rating means it is suitable for splashes or brief immersion in water, but not for swimming, diving, or showering. Always ensure the crown is fully pushed in and screwed down to maintain water resistance. Avoid operating the crown while the watch is wet.
Cleaning:
To clean your watch, gently wipe the case and crystal with a soft, damp cloth. For the carbon fiber leather strap, use a dry or slightly damp cloth. Avoid using harsh chemicals or abrasive materials.
Service:
For optimal performance and longevity, it is recommended to have your watch serviced by an authorized MontBlanc service center every 3-5 years. Regular servicing includes cleaning, lubrication, and replacement of worn components.
Troubleshooting
- Watch Not Running: If the watch has stopped, it may have run out of power reserve. Manually wind the watch as described in the "Initial Winding" section. If the issue persists, contact an authorized service center.
- Date Not Changing: Ensure the time is set correctly, passing midnight to advance the date. Avoid adjusting the date between 9 PM and 3 AM. If the date mechanism is stuck, do not force it; seek professional assistance.
- Time Inaccuracy: Automatic watches can experience slight variations in timekeeping. If your watch is consistently gaining or losing significant time, it may require regulation by a professional watchmaker.
- Condensation Under Crystal: If you notice condensation inside the watch, this indicates a breach in water resistance. Immediately take the watch to an authorized service center to prevent further damage.
Specifications
| Model Number | 115360 |
| Movement | MontBlanc Calibre MB 24.05 (ETA caliber 2898-2), Self-winding Automatic, 21 Jewels, 28,800 vph |
| Power Reserve | Approximately 42 hours |
| Case Material | Brushed Black DLC Coated Stainless Steel |
| Case Diameter | 42 mm |
| Case Thickness | 12 mm |
| Crystal | Scratch Resistant Anti-Reflective Domed Sapphire Crystal |
| Case Back | Sapphire Crystal Exhibition Case Back |
| Water Resistance | 30 meters / 100 feet (3 ATM) |
| Strap Material | Black Carbon Fiber Leather with Red Stitching |
| Functions | Hours, Minutes, Seconds, Date, GMT (24-hour second time zone) |
| Dial | Black with Guilloche Center, Luminous Arabic Numerals and Indices |

Image 2: The MontBlanc watch box, designed to protect your timepiece. Actual packaging may vary.
Warranty
MontBlanc watches typically come with a manufacturer's warranty covering defects in materials and workmanship. The specific terms and duration of the warranty may vary by region and purchase date. Please refer to the official warranty card or documentation provided with your watch at the time of purchase for detailed information. Keep your proof of purchase in a safe place.
For warranty claims or service, it is essential to contact an authorized MontBlanc boutique or service center. Unauthorized repairs or modifications may void your warranty.
Support
Should you require further assistance, service, or have questions regarding your MontBlanc TimeWalker GMT UTC watch, please contact MontBlanc customer service or visit an authorized MontBlanc boutique.
- MontBlanc Official Website: For the most up-to-date contact information and service center locations, please visit the official MontBlanc website.
- Authorized Retailers: Your authorized MontBlanc retailer can also provide support and guidance.

