---
title: "Jaeger-LeCoultre Master Ultra Thin Reserve De Marche 39mm Black Leather Q1378420"
type: "product"
brand: "Jaeger-LeCoultre"
model: "Master Ultra Thin Reserve De Marche"
reference: "Q1378420"
price: 5795
currency: "GBP"
condition: "Pre-owned"
year: 2023
category: "Watches"
subcategory: "Jaeger-LeCoultre"
availability: "Contact Us"
url: "https://thediamondbox.co.uk/product/jaeger-lecoultre-black-leather-stainless-steel-q1378420-rol6918-jaeger-lecoultre-q1378420"
image: "https://thediamondbox.co.uk/uploads/original_image/34ea97a3f688ff413dd6adc5fa71bba9.png"
updated: "2026-02-26"
---

# Jaeger-LeCoultre Master Ultra Thin Reserve De Marche 39mm Black Leather Q1378420

## Price

**£5,795** (Finance available from £545.21/month)

## Description

This 2023 Jaeger-LeCoultre Master Ultra Thin Reserve De Marche 39mm features a silver dial with dagger markers and a black leather bracelet. It also features a stainless steel bezel.The Master Ultra Thin watch collection epitomises Jaeger-LeCoultre’s philosophy of uniting technical virtuosity with timeless aesthetics. It reimagines traditional complications with designs that feature rich, clean lines. The entire collection showcases our exceptional watchmaking savoir-faire.This watch has been checked against technical records to guarantee authenticity and clean history. Comes with original box and papers.Ref: Q1378420

## Specifications

| Specification | Value |
|---------------|-------|
| Brand | Jaeger-LeCoultre |
| Reference Number | Q1378420 |
| Year | 2023 |
| Condition | Pre-owned |
| Date on card | 04/08/2023 |
| Watchfinder condition rating | Very Good |
| Location | UK |
| Serial | 3046210 |
| Model | Master Ultra Thin Reserve De Marche |
| Certified | Yes |
| Papers | Yes |
| Box | Authentic Box |
| Gender | Gents |
| TDB Limited Lifetime Warranty | Yes |
| Case Size | 39mm |
| Strap design | Leather |
| Material | Stainless Steel |
| Bezel material | Stainless Steel |
| Dial Colour | Silver |
| Movement | Automatic |
| Bracelet Size (cm) | 17 |
| Keywords | Jäeger Le Coultre master Ultra Thin, 33mmleather ultra thin Jaegar LeCoultre For Sale, master thin For Sale, Jaegar Reverso For Sale, LeCoultre 2010 calender, Reverso For Sale 2016, Kevlar Ja |

## 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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