Exterior

Case Material : Stainless steel
Glass Material : High definition box-shaped sapphire crystal
Glass Coating : Anti-reflective coating on inner surface
Band Material : Black crocodile leather strap
Case size : Diameter 39.5 mm x Thickness 13.9 mm
Clasp type : Buckle clasp
 

Functions

Water resistance : 3 bar
Magnetic resistance : 4800 A/m (60 gauss)
Weight : 90.0 g
Other details / Features : 

• 37 jewels
• Black GMT hand with red tipped pointer
• Screw down crown
• See-through case back
• Screw case back
• Buckle deployment clasp
• Quick correction function of time difference adjusting to a calendar

Movement

Caliber no. : 9S86   Instruction
Movement Type : Automatic with manual winding mechanism
Vibrations : 36,000 vibrations per hour (10 beats per second)
Power reserve : Approx. 55 hours
Accuracy : +5 to -3 seconds per day (when static)