Rolex Triple Six

The Rolex Sea-Dweller 16660, famously nicknamed the “Triple Six,” marks a pivotal transition in the model’s evolution. Introduced in the early 1980s, its reference number (16660) inspired the nickname, but it’s the upgrades that truly define it: a thicker case, sapphire crystal, improved depth rating to 4,000 feet, and the introduction of the caliber 3035 movement with a quickset date. It also debuted the modern unidirectional bezel and featured both matte and glossy dial variants during its production. The “Triple Six” bridges vintage and modern Rolex design, making it a favorite among collectors who appreciate its tool-watch roots with updated functionality.

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