castelloreserve Collection

Rolex GMT-Master II “Batgirl” — Black & Blue Bezel

$16,500.00 Sold

Built for Life Across Time Zones

Rolex GMT-Master II

The GMT-Master II was designed for those who move between worlds — originally built for pilots, now embraced by collectors, entrepreneurs, and individuals who operate beyond a single time zone. This reference features the iconic black and blue Cerachrom bezel, known as “Batgirl” in its Jubilee configuration.

Housed in a 40mm Oystersteel case, this timepiece is powered by Rolex’s Calibre 3285, offering a 70-hour power reserve and dual time zone functionality. The refined Jubilee bracelet adds comfort and elegance, elevating its presence beyond a traditional sports watch.

Sporty. Elegant. Timeless.


Technical Specifications

Reference 126710BLNR
Movement Calibre 3285, Automatic
Case Size 40mm
Case Material Oystersteel
Bezel Cerachrom, Black & Blue
Bracelet Jubilee, Oystersteel
Water Resistance 100m / 330ft
Power Reserve ~70 hours
Condition Excellent — Full Set

The Castello Guarantee

Multi-Point Authentication — Verified by our in-house master watchmaker
Full Documentation — Original box, papers, and warranty card included
White-Glove Delivery — Insured worldwide shipping in bespoke packaging
Concierge Support — Dedicated specialist available before and after acquisition

Reference CR-RLX-GMT2-BLNR-001
Brand castelloreserve
Type Watch
Location Castello Reserve
Certified Authentication & Provenance
Full 24-Month Heritage Warranty
Worldwide Insured Concierge Delivery

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