Rolex Yellow Gold Day-Date 40 Watch - Bezel - Silver Diagonal Motif Index Dial - President Bracelet - 228398TBR sdmipPowered by Rolex's caliber 3255 perpetual, self winding movement with 70 hour power reserve, this 40mm yellow gold Day Date showcases the manufacture's commitment to horological precision through its COSC certified chronometer performance. The reference 228398TBR presents a distinctive silver diagonal motif dial that creates geometric patterns through sophisticated guilloch work, complementing the warm tones of the 18k yellow gold case construction.

Nautilus Porthole Design — The iconic octagonal bezel with rounded case creates the distinctive porthole silhouette that has defined luxury sports watch design for nearly five decades

automatically accounting for varying month lengths and leap years until 2100

representing a rare opportunity to acquire this reference in new-old-stock condition

delivering improved precision and 55-hour power reserve

This Grand Complications reference represents one of the most technically demanding watches in Patek Philippe's current collection

Dark mother-of-pearl creates an extraordinary interplay with yellow gold across the 40mm case of this Cosmograph Daytona 116508

and pristine bracelet links showing no wear patterns

featuring polished bezel with engraved tachymeter scale for speed calculations

Platinum's substantial weight and cool touch amplify the significance of wearing one of Geneva's most technically accomplished timepieces

Integrated Steel Bracelet — Brushed stainless steel links flow seamlessly from the rectangular case

Introduced as part of Patek Philippe's distinguished ladies' Complications collection

Automatic Movement — Self-winding caliber provides reliable timekeeping within the slim profile required by the Nautilus design language