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Rolex Oyster Perpetual 31 Oystersteel — Black Dial | Ref. 277200

Rolex

Rolex Oyster Perpetual 31 Oystersteel — Black Dial | Ref. 277200

Reference: 277200

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About This Watch

The Oyster Perpetual occupies a singular position in the Rolex catalogue: it is the collection that strips away complications and precious materials to present Rolex's watchmaking philosophy in its purest, most concentrated form. Reference 277200 — the 31 mm variant in Oystersteel — carries that philosophy with quiet conviction. The round case, domed bezel, and Oyster bracelet form a silhouette unchanged in its essential geometry for decades, yet manufactured to standards that improve with each generation.

The black dial is distinguished by what Rolex terms Chromalight display — applied hour markers filled with a long-lasting blue luminescent material that glows visibly in darkness for hours beyond conventional lume. The effect at night is remarkable: the dial becomes a floating constellation of blue light, precise and calming in equal measure. Calibre 2232, Rolex's in-house movement developed for the 31 mm Oyster Perpetual, beats within, featuring a Syloxi silicon hairspring for antimagnetic performance and Paraflex shock absorbers for resilience. Autonomy extends to approximately 55 hours. The calibre achieves -2/+2 seconds per day — Superlative Chronometer-certified performance ratified by Rolex's own in-house testing protocols.

The transparent case back — a feature rarely seen on sports-adjacent Rolex references — allows direct observation of the movement's finishing and rotor action. Water-resistant to 100 metres, the 277200 is a timepiece of remarkable integrity: a watch that earns its Rolex crown not through gemstones or complication, but through relentless mechanical excellence.

Specifications

BrandRolex
SeriesOyster Perpetual 31
Model Number277200
ConditionLike New
Box & PapersBox & Papers
Case MaterialOystersteel
Case Size31 mm
Case ShapeRound
MovementPerpetual, mechanical, self-winding
Calibre2232, Manufacture Rolex
Dial ColorBlack
BezelDomed
Bracelet MaterialOystersteel
ClaspFolding Oysterclasp with Easylink 5 mm comfort extension link
Water ResistanceWaterproof to 100 metres / 330 feet
GenderUnisex
Watch StyleDress Watch