Rolex GMT-Master II 40 mm 116710 Batman

MOVEMENT

• Self-Winding Automatic Movement
• Perpetual, mechanical, self-winding, GMT function
• Rolex Calibre 3186, Manufacture Rolex
• Vibrations Per Hour: 28,800
• Jewels: 31
• Precision:  -2/ 2 sec/day, after casing
• Oscillator: Paramagnetic blue Parachrom hairspring
• Winding: Bidirectional self-winding via Perpetual rotor
• Power Reserve up to 50 hours

FEATURES

CASE

• Shape: Round
• Diameter : 40 mm = 1 1/2″
• Case Thickness: 12 mm
• Material: Brushed with Polished 904L Oystersteel Stainless Steel
• Oyster Architecture –Monobloc middle case
• Polished stainless steel rimmed also with a ribbed edge for a sure grip
• Screw-down case back and also winding crown
• Crystal: Scratch-resistant sapphire 
• Triplock triple waterproof system
• Inlet Size: 20 mm
• Water Resistant: 100 Meters / 330 Fee