
Explorer IIOyster, 42 mm, Oystersteel
This Oyster Perpetual Explorer II in Oystersteel with an Oyster bracelet features a white dial with an arrow-shaped 24-hour hand and hour markers with a Chromalight display.
Its highly legible dial, extremely resistant Oystersteel and waterproofness have made it the watch for the extremes.


24-Hour Bezel
Reliability in the toughest conditions
The Explorer II is equipped with an additional 24-hour display; a dedicated hand circles the dial in 24 hours rather than the usual 12, pointing to a fixed bezel with 24 hour graduations.
This function enables the wearer to distinguish the hours of the day from the hours of the night, an essential feature for those who venture into environments where darkness reigns supreme – such as in the depths of caves, or where the sun never sets – like the polar regions in summer.
Model features
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White dial Distinguishing day from night -
Oystersteel Highly resistant to corrosion -
The Oyster bracelet Alchemy of form and function -
The Cyclops lens A magnifying lens -
3285 Movement Superlative performance
Gallery
More Explorer
Technical Details
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Reference 226570
Model Case
- Model Case
- Oyster, 42 mm, Oystersteel
- Oyster Architecture
- Monobloc middle case, screw-down case back and winding crown
- Diameter
- 42 mm
- Material
- Oystersteel
- Bezel
- Fixed, 24-hour graduated
- 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, GMT function
- Calibre
- 3285, Manufacture Rolex
- Precision
- -2/+2 sec/day, after casing
- Functions
- Centre hour, minute and seconds hands. 24-hour display. Second time zone with independent rapid-setting of the hour hand. Instantaneous date. 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
Bracelet
- Bracelet
- Oyster, flat three-piece links
- Bracelet Material
- Oystersteel
- Clasp
- Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
Dial
- Dial
- White
- Details
- Highly legible Chromalight display with long-lasting blue luminescence
Certification
- Certification
- Superlative Chronometer (COSC + Rolex certification after casing)
How to Set your
Explorer II
Synonymous with excellence and reliability, Rolex watches are designed for everyday wear, and depending on the model, perfectly suited for a wide range of sports and other activities. Built to last, these timepieces are characterized by their distinctive and timeless aesthetics. The Oyster Perpetual Explorer II is the ideal watch for the far corners of the globe. Learn more about its features and how to set the date, two time zones or the time in a 24-hour format by watching the video.