The Rolex GMT-Master 16750 is a highly regarded model in Rolex’s GMT-Master series, offering a perfect blend of modern advancements and vintage aesthetics. Produced between 1979 and 1988, it served as the transitional model between the earlier 1675 and the subsequent GMT-Master II. Below, we delve into the history, technical specifications, and distinguishing features that make the 16750 a standout in the world of vintage Rolex timepieces.
General Overview
- Introduction Year: 1979
- Production End: 1988
- Purpose: Designed for pilots and frequent travelers, the GMT-Master 16750 continued Rolex’s tradition of dual-timezone functionality.
- Caliber: Introduced the Caliber 3075, an upgraded movement featuring a quickset date function and improved accuracy.
The 16750 bridged the gap between the classic GMT-Master 1675 and the newer generation of GMT-Master II models by incorporating technical improvements while retaining much of the vintage charm that collectors admire.
Key Technical Features
Movement: Caliber 3075
- Frequency: 28,800 beats per hour (BPH), providing a smoother sweep compared to the 19,800 BPH of the 1675.
- Power Reserve: Approximately 48 hours.
- Features: Quickset date functionality, hacking seconds, and increased shock resistance.
Case:
- Material: Stainless steel.
- Size: 40mm diameter, maintaining the classic proportions of the GMT-Master series.
- Water Resistance: Rated to 100 meters (330 feet), an improvement over the 1675’s 50-meter rating.
Crown: Screw-down crown with the Twinlock system for enhanced water resistance.
Case
- MK I: 9 mm
- MK II: 9 mm
- MK III: 10 mm
Serial Number Ranges and Production Timeline
The serial number of a 16750 can help determine its production year. Below is a general guide:
| Year | Serial Range |
|---|---|
| 1979 | 5,900,000 – 6,100,000 |
| 1980 | 6,100,000 – 6,400,000 |
| 1981 | 6,400,000 – 6,800,000 |
| 1982 | 7,000,000 – 7,200,000 |
| 1983 | 7,200,000 – 8,200,000 |
| 1984–1988 | 8,200,000 – 9,999,999 |
Dial Variations
One of the most intriguing aspects of the 16750 is its range of dial variations, which evolved during its production:
a. Matte Dial (Early Production: 1979–1984)
- Characteristics:
- Matte black finish.
- Printed tritium hour markers with a creamy patina on vintage models.
- No white gold surrounds on the markers.
- Appeal: Collectors highly value the matte dial for its vintage aesthetic.
b. Glossy Dial with White Gold Surrounds (Mid-to-Late Production: 1984–1988)
- Characteristics:
- Glossy black finish.
- Hour markers surrounded by white gold, offering a more modern look.
- Tritium lume with a “Swiss-T < 25” marking.
- Impact: A precursor to the aesthetic seen in later GMT-Master models.
Hands
The hands on the 16750 are distinctive and contribute to its functionality:
- Hour and Minute Hands: Mercedes-style hands, filled with tritium.
- GMT Hand: A red hand with a triangular tip, designed to track a second timezone.
- Seconds Hand: Features a lollipop-style lumed circle near the tip.
Bezel
The 16750’s bezel is bi-directional and retains the iconic design of its predecessors:
- Material: Aluminum insert.
- Color Options:
- Pepsi (Blue/Red): The most iconic bezel configuration.
- All-Black: Offered for those who preferred a subtler look.
Bracelets
The 16750 was paired with either the Jubilee or Oyster bracelet:
Oyster Bracelet:
- Ref. 78360 with 580 end links.
- Sportier appearance and more robust construction.
Jubilee Bracelet:
- Ref. 62510H with 550 end links.
- Dressier aesthetic with a polished center link.
Both bracelets featured a fold-over clasp and were constructed from stainless steel.
Caseback
The caseback of the 16750 is simple and unadorned, as is typical for Rolex sports watches of the era. It is screw-down to ensure water resistance.
Collectability and Value
The GMT-Master 16750 is highly sought after by collectors due to its transitional nature:
- Matte Dial Models: These are particularly prized and command higher prices in the vintage market.
- Glossy Dial Models: While less collectible, they are a great option for enthusiasts looking for a vintage Rolex with modern touches.
Legacy
The 16750 occupies a special place in the Rolex GMT-Master lineup, as it combines the charm of vintage Rolex with technical advancements that improved usability and durability. Its transitional status makes it a bridge between the early tool watch era and the modern luxury segment that Rolex occupies today.
