BRAND : Rolex
MODEL : Explorer II
MODEL NUMBER : 226570
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 : 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 : Oyster, flat three-piece links
BRACELET MATERIAL : Oystersteel
CLASP : Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link
DIAL : Black
DETAILS : Highly legible Chromalight display with long-lasting blue luminescence
CERTIFICATION : Superlative Chronometer (COSC + Rolex certification after casing)