---
title: "Rolex GMT-Master II 40mm Stainless Steel 126710BLNR ‘Batman’ – Full Set Box & Papers – 2021"
type: "product"
brand: "Unknown"
model: "GMT Master II"
reference: "126710blnr"
price: 12995
currency: "GBP"
condition: "Pre-owned"
year: 2021
category: "Watches"
subcategory: "Rolex"
availability: "Contact Us"
url: "https://jamesrossjewellers.co.uk/product/rolex-gmt-master-ii-40mm-stainless-steel-126710blnr-batman-full-set-box-papers-2021-jrw-15"
image: "https://jamesrossjewellers.co.uk/uploads/original_image/8f9096415e459b7cd5d03ccc11af0068.jpeg"
updated: "2026-02-25"
---

# Rolex GMT-Master II 40mm Stainless Steel 126710BLNR ‘Batman’ – Full Set Box & Papers – 2021

## Price

**£12,995** (Finance available from £1222.61/month)

## Description

This 2021 Rolex GMT-Master II, reference 126710BLNR, is the iconic “Batman” model, instantly recognisable for its black and blue Cerachrom ceramic bezel. Crafted in 40mm stainless steel, the watch combines robust design with refined styling, making it one of Rolex’s most sought-after sports models. The black dial features luminous hour markers and the signature GMT hand, offering dual time zone functionality — a hallmark of the GMT-Master II collection.
Powered by Rolex’s automatic movement, the watch delivers exceptional precision and reliability, and is offered here with a two-year guarantee. This example comes as a complete full set with its original box and papers, presented in immaculate condition. A true modern classic, the GMT-Master II ‘Batman’ remains a cornerstone of Rolex’s professional line and a must-have for any serious collector.
At James Ross Jewellers, we are proud to present only the finest modern and vintage luxury watches. Every timepiece we offer is carefully inspected for authenticity, serviced where required, and guaranteed for peace of mind. With decades of experience and a reputation built on trust, James Ross Jewellers remains a leading destination for collectors of the world’s most iconic watches.
This watch has been checked against technical records to guarantee authenticity and clean history.

## Specifications

| Specification | Value |
|---------------|-------|
| Reference Number | 126710blnr |
| Year | 2021 |
| Condition | Pre-owned |
| Box | Authentic Box |
| Case Size | 40mm |
| Model | GMT Master II |
| Papers | Yes |
| Material | Stainless Steel |
| Gender | Gents |

## About The Diamond Box

The Diamond Box is North London's distinguished destination for luxury watches and gold jewellery since 1997. Visit us at 114 Ballards Lane, N3 2DN, London or call 020 8838 3655.


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