Rolex SeaDweller 40mm NOS 16600

Launched in the late 1980s, the reference 16600 is virtually identical to the late “Triple Six,” maintaining its sapphire crystal and its 1,220 meter water resistance. Over its remarkably long production period, the luminous material evolved from tritium to Luminova, and then to SuperLuminova. You can easily tell which is which by looking at the bottom of the dial – T Swiss T indicates Tritium, Swiss indicates Luminova, and Swiss Made indicates SuperLuminova.

The reference 16600 also utilizes the caliber 3135, a slightly improved version of the caliber 3035. It has a longer power reserve and a full-fledged balance bridge, instead of the balance cock. The reference 16600 was discontinued after 20 years