Rolex Steel and Yellow Gold Datejust 31 Watch - Fluted Bezel - Silver Index Dial - Oyster Bracelet - 178273 sioWithin the distinguished lineage of Rolex's mid size Datejust collection, the reference 178273 emerged as a defining expression of the maison's mastery in combining steel resilience with yellow gold refinement across a perfectly proportioned 31mm case. This particular example showcases the timeless appeal of a silver index dial, where applied hour markers catch and reflect light with mathematical precision against the lustrous backdrop. The fluted

creating dynamic light reflection patterns throughout the day

providing full provenance and authenticity verification for this significant horological achievement

Pulsometer Scale Integration — The outer dial ring features a pulsometer scale

Automatic Movement — Self-winding mechanical caliber delivers the power and precision required for perpetual calendar functions with Patek Philippe's legendary finishing standards

Manual-Wind Chronograph Movement — Traditional column-wheel chronograph mechanism requires manual winding

polished to mirror finish

creating depth and richness that complements the 44-diamond bezel's brilliant sparkle

featuring diamond hour markers that create brilliant light play across the subtly textured surface

offering enhanced flexibility over the standard Oyster bracelet

Brand Patek Philippe Series Grand Complications Model Number 5304/301R-001 Model Year 2017-2022 Production Year Call for Enquiry Condition Call for Enquiry Box/Papers Box & Papers Case Material Rose Gold Case Size 43 mm Case Shape Round Case Back Transparent Crown Screw Down Bezel Set with Diamonds Movement Automatic Dial Color Skeleton Dial Type Analog Bracelet Alligator Leather Strap Band Material Leather Clasp Fold-Over Clasp Water Resistance None Gender Men's

At the heart of the Patek Philippe Nautilus 5990/1A-001 beats the sophisticated caliber CH 28-520 C FUS movement

Powered by the in-house Caliber 3235 movement with its 70-hour power reserve