New Rolex GMT-Master II Watch 116710BLNR

MODEL CASE
Oyster, 40 mm, steel
OYSTER ARCHITECTURE
Monobloc middle case, screw-down case back and winding crown
DIAMETER
40 mm
MATERIAL
904L stainless steel superalloy
BEZEL
Bidirectional rotatable 24-hour graduated bezel. Two-colour blue and black Cerachrom in ceramic, engraved numerals and graduations
WINDING CROWN
Screw-down, Triplock triple waterproofness system
CRYSTAL
Scratch-resistant sapphire, Cyclops lens (2.5x) over the date
WATER-RESISTANCE
100 metres (330 feet)