Rolex GMT-Master II Repair Case | Power Reserve Issue and Automatic Movement Service

Rolex GMT-Master II Repair Case | Power Reserve Issue and Automatic Movement Service

A luxury mechanical watch is a highly precise instrument composed of hundreds of tiny components. With years of daily use, internal lubricants may deteriorate and mechanical parts may experience increased friction, affecting the overall performance of the watch.

This repair case involves a Rolex GMT-Master II automatic watch. The owner sent the watch to a professional service centre after noticing reduced power reserve and unstable timekeeping.

Customer Background

The customer is a long-time Rolex enthusiast who had owned this GMT-Master II for many years.

The watch was regularly worn during travel and daily activities. Recently, the owner noticed several performance issues:

  • The watch stopped earlier than expected after being fully wound

  • Timekeeping accuracy became inconsistent

  • The second hand movement appeared less stable

  • The automatic winding efficiency was reduced

Due to the age of the watch and extended usage period, the customer requested a complete movement inspection.

Initial Inspection and Diagnosis

The watchmaker began with a detailed performance assessment.

The inspection included:

  • Accuracy measurement

  • Amplitude testing

  • Power reserve evaluation

  • Automatic winding system examination

The results showed that the movement performance had declined due to long-term operation and insufficient lubrication.

Further inspection identified:

  • Aged lubricants inside the movement

  • Increased friction in the gear train

  • Reduced energy transmission efficiency

  • Need for precision regulation

Movement Disassembly and Component Inspection

After confirming the condition, the watch was carefully dismantled by the watchmaker.

The service procedure included:

  • Removing the movement from the case

  • Disassembling the automatic winding mechanism

  • Inspecting the GMT function components

  • Checking the gear train and balance system

  • Examining each component for wear

Because the GMT mechanism contains additional parts compared with standard automatic watches, extra attention was required during inspection and adjustment.

Cleaning, Lubrication and Adjustment

After disassembly, all movement components were professionally cleaned.

The restoration process included:

  • Removing old lubricants

  • Cleaning mechanical parts

  • Checking component conditions

  • Applying specialised lubricants

  • Adjusting the automatic winding system

The movement was then carefully rebuilt and regulated to restore stable performance.

Final Testing and Quality Control

After assembly, the Rolex GMT-Master II underwent multiple rounds of testing.

The quality control process included:

  • Multi-position accuracy testing

  • Power reserve monitoring

  • GMT hand function testing

  • Automatic winding performance checks

After professional adjustment, the watch returned to reliable operation with improved timekeeping stability and power performance.

Repair Summary

The Rolex GMT-Master II is one of the most recognised travel watches in modern horology, combining practical functionality with advanced mechanical engineering.

However, even a high-quality Rolex movement requires professional servicing after years of operation.

Regular inspection helps:

  • Maintain accurate timekeeping

  • Preserve movement efficiency

  • Reduce mechanical wear

  • Extend the lifespan of the watch

A luxury watch is not only a valuable possession but also a precision machine that deserves expert care and attention.


Professional Watch Service

Professional watch servicing requires specialized equipment, technical expertise, and years of experience. Every luxury mechanical watch deserves careful inspection and precision maintenance by qualified watchmakers.

Professional Watch Service Centre

Specializing in luxury watch repair and maintenance with over 20 years of professional experience.

⭐ Over 20 years of watchmaking expertise
⭐ Transparent pricing with no hidden fees
⭐ Efficient turnaround time
⭐ Personalized maintenance recommendations

Contact Us:
https://ptwatchservice.com/pages/contact

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