
This timepiece utilizes the calibre 3130, a self-winding mechanical engine designed and produced by Rolex. As with every Rolex Perpetual calibre, the 3130 is a Swiss chronometer, a status granted to high-accuracy timepieces that have cleared the Swiss Official Chronometer Testing Institute (COSC) evaluations, though non-certified variants are also produced. It incorporates a Parachrom hairspring, which provides enhanced durability against impacts and thermal fluctuations, while its Oyster movement design ensures exceptional dependability.