• Brand: Rolex • Model: Oyster Perpetual Date 18K (0,750) Yellow Gold , In "Excellent" condition. Like New. All functions work perfectly. Comes with Box and Documents. > Very Rare Sigma Dial. "σ T SWISS T σ" Rolex Sigma dials denote that the hand-applied indexes and hands are craft from 18K gold. This mark is found on a limited number of dials. It is an indication that the indices and hands on the dial are made of 18K solid gold. Very rare and collectible timepiece. A great investment. "Very Classy, Exclusive and Prestigious Model. From Luxury and High-End Timepiece Brand , Rolex." • Reference Number: 1503 • Serial Number: 5127756 • Production Year: 1978 • Movement: Automatic, Works perfectly. Impeccable at timing. Tested on Timegrapher. > Rolex Cal. 1570 In-house Movement (Rare and Precious) > 26 Jewels > Frequency: 19800 > Power Reserve: min. 48 Hours > Superlative Chronometer Certified (COSC) In the Swiss watch industry, the homeland of watchmaking, when you ask what a Chronometer watch is, the answer you will receive can be a title that diffucult to get. In order for a watch to put the term Chronometer on its dial, it must pass the Official Swiss Chronometer Testing Institute, namely the COSC. To measure the movement and precision of a watch, COSC places it at different temperatures and inspects it for days under varying conditions. The result should be no more than -4 or +6 seconds of deviation per day. Of course, this is not an easy thing to achieve. So much so that only 3% of the Chronometer watch models produced in Switzerland can get a certificate. • Glass: Original Rolex, In "Excellent" Condition. Scratch free. • Swiss Made, Fully Original • Case & Bracelet: 18K Yellow Gold (Highly Valuable) "Oyster case was the world's first waterproof case made for a wristwatch." • Bezel: Fluted • Dial: 18K Yellow Gold "Sigma" marked Dial, In "Excellent" condition. Spotless. Rare and Unique. • Date Indicator at 3 o'clock • Case Diameter: 34 mm. (Excl. Crown) • Bracelet: 18K Gold Original Rolex Oyster Bracelet • Wrist Size: 16 cm. • Screw-down lockable crown • Crown: Original, Rolex signed. • Folding and Lockable Clasp • Clasp: Original, Rolex signed. (18K Gold) • All functions work perfectly. • The watch is in "Excellent" condition. There is no scratch on the glass. It is as seen in the photos. Very Exclusive, Classy and Elegant Wristwatch. High-End brand, Rolex. Highly Collectible. • Box & Papers: Yes. • Registered and Insured Shipping with Tracking Code in 1-3 days.