---
title: "Jaeger-LeCoultre Reverso One Duetto 20x40.1mm Blue Leather Q334848J 2023"
type: "product"
brand: "Jaeger-LeCoultre"
model: "Reverso Duetto"
reference: "Q334848J"
price: 8495
currency: "GBP"
condition: "Pre-owned"
year: 2023
category: "Watches"
subcategory: "Jaeger-LeCoultre"
availability: "In Stock"
url: "https://thediamondbox.co.uk/rol-8366-jaeger-lecoultre"
image: "https://thediamondbox.co.uk/uploads/original_image/954a7254c86b2ee573aeedad3f8e01cb.jpg"
updated: "2026-09-03"
---

# Jaeger-LeCoultre Reverso One Duetto 20x40.1mm Blue Leather Q334848J 2023

## Price

**£8,495** (Finance available from £799.24/month)

## Description

This 2023 Jaeger-LeCoultre Reverso One Duetto features a 40.1 x 20mm stainless steel reversible case set with 56 brilliant-cut diamonds totalling 0.63ct. The reverse displays a striking midnight blue spangled dial with radiating hour markers, paired with a matching blue alligator leather strap. 
The Duetto concept provides two contrasting dials driven by a single movement, with a silvered grey sunburst guilloché dial on the opposite side. Inside is the manually wound Jaeger-LeCoultre calibre 844, offering approximately 50 hours of power reserve.This watch has been checked against technical records to guarantee authenticity and clean history.
Comes with original box and papers.
Ref: Q334848J

## Specifications

| Specification | Value |
|---------------|-------|
| Brand | Jaeger-LeCoultre |
| Reference Number | Q334848J |
| Year | 2023 |
| Condition | Pre-owned |
| Date on card | 25/11/2023 |
| Watchfinder condition rating | Very Good |
| Location | UK |
| Serial | 3716998 |
| Model | Reverso Duetto |
| Certified | Yes |
| Papers | Yes |
| Box | Authentic Box |
| Gender | Ladies |
| TDB Limited Lifetime Warranty | Yes |
| Case Size | 20x40.1mm |
| Strap design | Leather |
| Material | Stainless Steel |
| Bezel material | Stainless Steel |
| Dial Colour | White |
| Movement | Manual |
| Bracelet Size (cm) | 16 |
| Keywords | Jaeger LeCoultre Reverso, Reverso One Duetto, JLC Q334848J, Reverso blue dial, Reverso diamond watch, JLC ladies watch |

## 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.


[View this product on our website](https://thediamondbox.co.uk/rol-8366-jaeger-lecoultre)
