---
title: "Omega 2505 Jumbo 38mm Steel Manual Wind Calibre 265 – Serviced with 2 Year Guarantee – 1940s"
type: "product"
brand: "Omega"
model: "Jumbo"
reference: "2505"
price: 1495
currency: "GBP"
condition: "Pre-owned"
year: 1940
category: "Watches"
subcategory: "Omega"
availability: "Contact Us"
url: "https://jamesrossjewellers.co.uk/product/omega-2505-jumbo-38mm-steel-manual-wind-calibre-265-serviced-with-2-year-guarantee-1940s-jrw-11-watches"
image: "https://jamesrossjewellers.co.uk/uploads/original_image/7caa53d5abeb099b9a8ab102f03d862a.jpeg"
updated: "2026-02-25"
---

# Omega 2505 Jumbo 38mm Steel Manual Wind Calibre 265 – Serviced with 2 Year Guarantee – 1940s

## Price

**£1,495** (Finance available from £140.65/month)

## Description

This striking 1940s Omega 2505 features a beautifully aged dial with vintage charm, framed by a substantial 38mm stainless steel case – a “Jumbo” size that remains highly desirable among collectors today. The watch is powered by Omega’s reliable calibre 265 manual wind movement, recently serviced and offered with a full two-year guarantee for complete assurance. It is presented on a Hirsch genuine alligator strap with a steel vintage Omega pin buckle and is accompanied by a vintage Omega box, making it an especially appealing set for enthusiasts and collectors. Priced at £1,495, this piece offers an excellent opportunity to own a refined and historic Omega with strong wrist presence.
At James Ross Jewellers, we take pride in presenting carefully selected vintage watches that embody the very best of Swiss craftsmanship and timeless design. Every watch we offer has been thoroughly inspected, serviced, and prepared to the highest standards, ensuring both authenticity and reliability. With decades of expertise and an unwavering commitment to trust and quality, we are dedicated to helping our clients acquire watches of lasting beauty and heritage.
This watch has been checked against technical records to guarantee authenticity and clean history.

## Specifications

| Specification | Value |
|---------------|-------|
| Brand | Omega |
| Reference Number | 2505 |
| Year | 1940 |
| Condition | Pre-owned |
| Box | Authentic Box |
| Case Size | 38mm |
| Model | Jumbo |
| Strap design | Alligator Leather |
| Papers | No |
| Material | Stainless Steel |
| Bezel material | Stainless Steel |
| Dial Colour | Ivory |
| Gender | Unisex |
| Movement | Manual |

## 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://jamesrossjewellers.co.uk/product/omega-2505-jumbo-38mm-steel-manual-wind-calibre-265-serviced-with-2-year-guarantee-1940s-jrw-11-watches)