The G-Shock GW-A1100 Gravitymaster is a notable watch within the G-Shock lineup, particularly for its features tailored towards aviation enthusiasts. Here's a breakdown of key information:

Gravitymaster Series:
This series is designed for pilots, with features that withstand the stresses of flight.  
Key Features:
Tough Solar: Solar-powered operation, ensuring reliable timekeeping.
Multi-Band 6: Radio-controlled timekeeping for accurate time synchronization.  
Triple G Resist: Protection against shock, vibration, and centrifugal force.  
Compass: A built-in compass sensor for navigation.
World Time: Displays the time in various time zones.  
Sapphire Crystal: Providing excellent scratch resistance.  
Design:
It features an analog display, which is a distinctive characteristic.
The design is robust and intended for durability.