Description

Day-Date 40mm Platinum

The President bracelet, slate face, and fluted bezel are all elements of the Oyster Perpetual Day-Date 40mm Platinum. A distinguishing element of a Rolex is its fluted bezel. Originally, the fluting on the Oyster bezel served as a practical element that held the bezel to the case and preserved the watch’s waterproofness.

Specifications

Case

• Model Case: Oyster, 40 mm, platinum
• Oyster architecture: Monobloc middle case, screw-down case back and winding crown
• Diameter: 40 mm
• Material: Platinum
• Bezel: Fluted
• Winding crown: Screw-down, Twinlock double waterproofness system
• Crystal: Scratch-resistant sapphire, Cyclops lens over the date
• Water resistance: Waterproof to 100 metres / 330 feet

Movement

• Movement: Perpetual, mechanical, self-winding
• Calibre: 3255, Manufacture Rolex
• Precision: -2/+2 sec/day, after casing
• Functions: Centre hour, minute and seconds hands. Instantaneous day and date in apertures, unrestricted rapid-setting. Stop-seconds for precise time setting
• Oscillator: Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers
• Winding: Bidirectional self-winding via Perpetual rotor
• Power reserve: Approximately 70 hours

Dial

• Dial: Slate
• Gem settings: Highly legible Chromalight display with long-lasting blue luminescence

Bracelet

• Bracelet: President, semi-circular three-piece links
• Material: Platinum
• Clasp: Concealed folding Crownclasp