Bob’s Watches is relaunching its online auctions, beginning with a timed sale from September 8 to 14 featuring a collection of tropical dial high quality replica Rolex sports watches from the 1960s and 70s.

The line up includes rare vintage Rolex Explorer, GMT-Master, Sea-Dweller and Submariner references.

Rolex ref. 1016 Explorer Replica Watches from 1966

The upcoming lot features perfect fake Rolex ref. 1016 Explorer watches from 1966. Originally black, the glossy dial aged to a rich brown, earning the timepieces an estimated value of $30,000 to $50,000.

Rolex ref. 1675 GMT-Master Fake Watches from 1969

Fans will find best Rolex ref. 1675 GMT-Master replica watches from 1969. The “Mark I, Long E” dial has changed from black to brown, paired with a fuchsia bezel.

It has an estimated value of $25,000 to $45,000.

Replica Rolex ref.1665 “Double Red” Sea-Dweller Watches, circa 1972

The Swiss movements copy Rolex ref.1665 “Double Red” Sea-Dweller watches, circa 1972, boasts a matte black “Mark II” dial that’s turning brown around the edges and the date window.

With a value estimated between $50,000 to $80,000, it is the most sought-after watch up for grabs.

Fake Rolex ref. 1680 “Red” Submariner Watches, from 1970

Also up for grabs is 1:1 China replica Rolex ref. 1680 “Red” Submariner watches, from 1970, which comes with its original box and punched papers.

Its original black meter’s “Mark II” dial has turned completely brown, while the evenly faded bezel turned from black to greyish-blue.

It should fetch somewhere between $20,000 to $40,000.

“We are happy to offer these four, rare and beautiful Rolex super clone watches for sale with tropical dials,” says CEO and founder of Bob’s Watches, Paul Altieri.

“‘Tropical dial’ refers to when the dial’s color changes, and in this case the dials have gone from black to brown, which are highly sought after.”