The automatic Caliber 2236 movement inside this unworn Rolex Datejust 278343 represents a significant leap in manufacturing precision, featuring a silicon Syloxi hairspring that enhances chronometric performance while powering the signature instantaneous date change mechanism. Rolex's mastery of two-tone construction reaches its apex in this 31mm yellow gold case paired with the iconic five-link Jubilee bracelet, creating a harmonious blend of precious metal warmth against polished steel. The dark grey dial provides a sophisticated canvas for the diamond-set Roman numeral at six o'clock, while the domed diamond bezel adds vertical dimension through its precisely graduated gemstone setting. This reference showcases Rolex's contemporary approach to traditional dress watch proportions, maintaining the collection's heritage while incorporating modern materials and finishing techniques.

Key Features & Specifications

• Caliber 2236 Movement — Self-winding mechanical movement with silicon Syloxi hairspring, offering superior shock resistance and magnetic field protection with 55-hour power reserve
• Domed Diamond Bezel — Meticulously set brilliant-cut diamonds in yellow gold mounting, creating light refraction that complements the watch's luxurious aesthetic
• Dark Grey Diamond Roman Dial — Sunray-finished grey dial features diamond-set Roman numeral at six o'clock position, balanced by applied gold hour markers and Mercedes hands
• 31mm Yellow Gold Case — Oyster case construction in solid yellow gold with polished finishing, water-resistant to 100 meters with screw-down Twinlock crown
• Jubilee Bracelet Integration — Five-link steel and yellow gold bracelet with brushed center links and polished outer links, secured by Oysterclasp with Easylink comfort extension
• Sapphire Crystal Protection — Anti-reflective coated sapphire crystal with Cyclops lens magnifying the date display at 3 o'clock for enhanced legibility
• Unworn Condition — Complete with original protective stickers and documentation, representing current Rolex manufacturing standards and finishing quality

About This Timepiece

• Bracelet Sizing — Complimentary bracelet sizing included with every purchase. Contact us with your wrist measurement and we'll have it ready before shipping.
• Authenticity Guarantee — Every watch is thoroughly inspected and authenticated by our team of certified horologists. 100% authentic, guaranteed.
• Warranty — New model watches include a 1-year mechanical warranty covering manufacturing defects. All watches include our confidence guarantee.
• Shipping — Free insured overnight FedEx shipping on all orders. Fully insured, signature required, discreet packaging.

Contact Us

Questions about this timepiece? Our specialists are available to help.
Phone/Text: (310) 363-0481
Email: chris@chronocandy.com

Chrono Candy is an independent luxury watch dealer and is not affiliated with Rolex S.A., Rolex USA, Patek Philippe, Audemars Piguet, Cartier, Omega, Tudor, or any brands listed.