Housed in a 39 mm platinum case with a polished finish, the 1908 reference 52506-0003 carries a domed winding crown and scratch-resistant sapphire crystal. Water resistance reaches 50 metres, while the domed and fluted bezel lends the piece its classically dressed silhouette.
The ice blue dial is rendered with a rice-grain motif and displays centre hour and minute hands alongside a small seconds hand positioned at 6 o'clock. A stop-seconds function allows for precise time setting. The matt black alligator leather strap closes via a double folding Dualclasp.
Inside beats Rolex Calibre 7140, a perpetual mechanical self-winding movement certified as a Superlative Chronometer — meeting both COSC standards and Rolex's own post-casing certification, delivering precision of -2/+2 seconds per day. A Syloxi silicon hairspring with patented geometry and Paraflex shock absorbers support the oscillator, while the bidirectional Perpetual rotor provides an approximately 66-hour power reserve.
