---
title: "Vacheron Constantin Patrimony Extra Flat K18YG 33mm 18ct Yellow Gold 6115 1960s"
type: "product"
brand: "Vacheron Constantin"
model: "Patrimony Ultra Flat"
reference: "6115"
price: 3750
currency: "GBP"
condition: "Pre-owned"
year: ~
category: "Watches"
subcategory: "Vacheron Constantin"
availability: "Contact Us"
url: "https://thediamondbox.co.uk/product/vacheron-constantin-18ct-yellow-gold-watch"
image: "https://thediamondbox.co.uk/uploads/original_image/678cfa9c7dc0405c9d6c5d3f919bd851.png"
updated: "2026-02-26"
---

# Vacheron Constantin Patrimony Extra Flat K18YG 33mm 18ct Yellow Gold 6115 1960s

## Price

**£3,750** (Finance available from £352.81/month)

## Description

This circa 1960s Vacheron Constantin Patrimony ultra flat K18YG 33mm features a champagne dial with baton markers and a brown leather bracelet. It also features a smooth 18ct yellow gold bezel. First introduced by Vacheron & Constantin in 1955 and still produced to this day, this remains the world's thinnest traditionally constructed watch movement ever produced to dateThis watch has been checked against technical records to guarantee authenticity and clean history. Comes with TDB travel case. Ref: 6115

## Specifications

| Specification | Value |
|---------------|-------|
| Brand | Vacheron Constantin |
| Reference Number | 6115 |
| Year | Circa 1960 |
| Condition | Pre-owned |
| Papers | No |
| TDB Limited Lifetime Warranty | Yes |
| Model | Patrimony Ultra Flat |
| Gender | Unisex |
| Movement | Manual |
| Box | TDB Watch Box |
| Case Size | 33mm |
| Strap design | Leather |
| Material | 18ct Yellow Gold |
| Bezel material | 18ct Yellow Gold |
| Dial Colour | Champagne |
| Bracelet Size (cm) | 18 |
| Date on card | N/A |
| Location | N/A |
| Serial | N/A |
| Keywords | Vacheron Constantin ULTRA FLAT, vacheron constantin 6115, vacheron constantin overseas for sale, Vacheron Constantin Overseas silver dial, vacheron constantin for sale london, london watches  |

## 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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