Milgauss 116400 GV

Milgauss 116400 GV

CATEGORYOyster Perpetual Professional
CertificationSuperlative Chronometer (COSC + Rolex certification after casing)
CaseOyster (monobloc middle case, screw-down case back and winding crown)
SafetyInternal magnetic shield to protect the movement
Diameter40mm
MaterialOystersteel, polished finish
Middle CaseOystersteel, polished finish
BezelOystersteel, smooth
Case backSolid, screw down with fine fluting
Winding CrownScrew-down; Twinlock double waterproofness system
CrystalScratch-resistant green sapphire
Waterproofness100 metres (330 feet)
Movement
Calibre3131, Manufacture Rolex
Mechanical movement with bidirectional self-winding via Perpetual rotor
Precision-2/+2 sec./day, after casing
FunctionsCentre hour, minute and seconds hands
Stop-seconds for exact time setting
OscillatorFrequency: 28,800 beats/hour (4Hz)
Paramagnetic blue Parachrom hairspring
Rolex overcoil
Large balance wheel with variable inertia
Paramagnetic nickel-phosphorus escape wheel
High-precision regulating via four gold Microstella nuts
Traversing balance bridge
EscapementParamagnetic nickel-phosphorus pallet fork and escape wheel
Jewelling31 rubies
Power ReserveApproximately 48 hours
Dial
ColourZ blue
Hour MarkersHighly legible Chromalight appliques (long-lasting luminescence, blue glow) in 18 ct white gold
Hands18 ct white gold, highly legible Chromalight, (long-lasting luminescence, blue glow), apart from orange lightning-bolt-shaped seconds hand
Bracelet
TypeOyster (three-piece solid links)
MaterialOystersteel, polished centre links, satin-finished outer links with polished edges
ClaspFolding Oysterclasp
Easylink 5 mm comfort extension link

Featured image ©Rolex