Rolex GMT-MASTER II Two Tone Root Beer Dial Ref. 16713 Circa 1989
Model: GMT-MASTER II
Reference Number: 16713
Condition: Very good
Time Period: 1989
Retail / Compare-At Price: n/a collector's item
Our Best Price: $10,250
Case Material: Stainless steel
Case Diameter: 40 mm
Thickness: 12 mm
Waterproof: 330 ft. / 100 m.
Water Resistance: 10 ATM
Material Bezel: Yellow gold with GMT bi-directional rotatable 24-hour timing bezel, brown "Root Beer" insert with gold toned Arabic numerals
Glass: Sapphire crystal anti-reflective
Dial: Chocolate sunburst
Dial Numerals: Yellow gold with Tritium lume in yellow gold surrounds dot and baton hour indices, railway track minute/seconds scale around the outer rim
BRACELET / STRAP
Bracelet color: Brown
Bracelet Material: Leather Rolex
Clasp material: Inox
Hours, minutes, center sweep seconds, date aperture at 3 o’clock, dual time zone, 48-hour power reserve
18K yellow gold applied and Superluminova luminescent Mercedes hours hand, stick-shaped yellow gold and luminous minutes hand, steel and luminous stick-shaped seconds hand
Quick-set-date (24-hour hand), stop-seconds for precise time setting
Unidirectional rotatable 24-hour graduated with Arabic numeral indexes every 2 hours for the GMT second time zone
Bidirectional self-winding via Perpetual rotor
Stainless steel screw-down solid case back
Yellow gold Twinlock waterproofness system screw-down crown with Rolex logo
Paramagnetic blue Parachrom hairspring
Stainless steel downturned lugs
Cyclops lens over the date
Solid three-body case, bracelet, and gold knurled bi-directional revolving bezel are polished/brushed.
The caliber 3185 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. It is fitted with a Parachrom hairspring, offering greater resistance to shocks and to temperature variations.
Mechanical automatic self-winding Rolex caliber 3185 movement is rhodium-plated, with oeil de perdrix embellishment, a straight-line lever escapement, and a monometallic balance that's adjusted to temperatures and 5 positions. It includes a self-compensating free-sprung Breguet balance spring, Microstella regulating screws, and a central hacking seconds mechanism.
This mechanism oscillates at a frequency of 28,800 vhp (4Hz).
Serial # L596***
Incomplete (no box, no papers)