Basel '11 Explorer II - In Depth (caution-Hi Rez)

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OYSTER PERPETUAL EXPLORER II CASE

Type: OYSTER (monobloc middle case, screw-down case back
and winding crown)

Diameter: 42 mm

Material: 904L stainless steel superalloy, polished and satin finished
Case back Screw-down with Rolex fluting

Bezel: Fixed, 24-hour graduated, sun satin finished, polished bevelled edge

Winding crown: Screw-down, TWINLOCK double waterproofness system
Shoulders to protect the crown

Crystal: Scratch-resistant sapphire
CYCLOPS lens (2.5 ×) over the date, double anti-reflective coating Waterproofness 100 metres (330 feet)

MOVEMENT
Calibre 3187, Manufacture RolexPrecision Officially certified Swiss chronometer

Functions:
. 24-hour hand GMT with independent rapid-setting of the hour hand
. Instantaneous date at 3 o’clock
. Stop-seconds for precise time setting
. Oscillator Frequency: 28,800 beats/hour (4 Hz)
. Non-magnetic blue PARACHROM hairspring
. Breguet overcoil
. Large balance wheel with variable inertia
. High-precision regulating via four gold MICROSTELL A nuts
. Traversing (full) balance bridge
. High-performance PARAFLEX shock absorbers
. Jewelling 31 rubies
. Winding Bidirectional self-winding via PERPETUAL rotor
. Power reserve Approximately 48 hours

DIALS
- White lacquered
CHROMALIGHT display with long-lasting luminescence
Hands White gold, wide, hollowed, black lacquered
Orange 24-hour hand

- Black, satin finished
CHROMALIGHT display with long-lasting luminescence
Hands White gold, wide, hollowed, “phantom effect” (black base on black dial)
Orange 24-hour hand, “phantom effect” (black base on black dial)
Hour markers Highly legible white gold appliques

BRACELET
Type OYSTER, three-piece solid links
Material 904L steel superalloy, satin finished, polished edge
Clasp OYSTERLOCK folding clasp with safety catch
EASYLINK 5 mm comfort extension link
REFERENCE (CASE – BRACELET): 216570 – 77210