Rolex - 1991 Submariner Date 16610

WHAT WE LOVE:

The Rolex Submariner ref. 16610 was produced from 1988 to 2010 — a 22-year run that makes it both the longest-produced Submariner reference and one of the most significant in terms of the technical improvements it introduced. The 16610's arrival marked the introduction of the Calibre 3135, which subsequently became Rolex's standard dive watch movement and remained in production for over three decades, earning a reputation among watch professionals as one of the most reliable mechanical movements ever manufactured at scale. The 16610 also introduced sapphire crystal to the Submariner Date, replacing the acrylic of earlier references, and increased water resistance to 300 metres. These are the changes that define the modern Submariner's technical specification.

The 1991 example presented here falls in the early production window of the 16610 — the period characterised by the "SWISS-T<25" dial inscription indicating tritium luminous material (the radioactive isotope that glows passively, later replaced by LumiNova after approximately 1999). The tritium dials of this period have a creamy off-white warmth to the lume plots and hands that develops over time and that the later LumiNova dials do not carry — it is the patina that is specific to the material and to the era, and it is precisely what collectors of this period seek. The black aluminium bezel insert on the unidirectional rotating bezel is correct to the period — the ceramic bezel insert that characterises the later 116610 successor was not introduced until 2010. At 40mm on the Oyster bracelet with its flip-lock diver's extension, the 16610 wears with the solidity and proportional balance that defined the Submariner at the peak of its design maturity.

WHAT’S INSIDE:

Rolex Calibre 3135 — 31 jewels, 28,800 vph, automatic, quickset date, hacking, 48-hour power reserve, Superlative Chronometer certified. 40mm × 12mm 904L stainless steel Oyster case. Sapphire crystal with Cyclops date magnifier. Solid screw-down caseback. 300-metre water resistance.

FIVEFORTYFIVE SIX MONTHS WARRANTY