Mens Rolex 116503 Black Diamond Oyster Cosmograph Daytona Steel and Gold Watch

• Polished stainless steel case.
• Polished 18kt yellow gold fixed bezel ring with engraved & black filled Tachymeter scale.
• Polished 18kt yellow gold screw-down crown with Rolex’s patented “Triplock” triple waterproofness system, ensuring that the crown screws down against the Oyster case as securely as a submarine hatch.
• Screw-down chrono buttons in polished 18kt yellow gold.
• Dial:
• Black dial.
• Black sub-dials with fine yellow gold rims.
• 8 diamond hour markers.
• Fine printed minute/seconds & fractions of a second track.
• Polished yellow gold hands – hour & minute hands with black center line & partial luminous fill.
• Chronograph/Stop watch function:
• Large central seconds counter hand, accurate up to 1/8th of a second.
• 30 minute counter sub-dial located at the 3 o’clock position.
• 12 hour counter sub-dial located at the 9 o’clock position.
• Continuous running small seconds hand sub-dial located at the 6 o’clock position.
• Rolex?in-house calibre 4130, beats at 28,800 vph, contains 44 Jewels & has an approximate power reserve of 72?running the time only or 66 hours with the chronograph function running.