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Omega 33.3 oversized ssteel chronograph CK 2393 CHRO T5


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Condition: Pre-owned
Scope of delivery: Original papers, no original box
Availability: Available now
Delivery time: 2-6 days
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 ( Reviews: 8 )
UK - London
Trusted Seller since 2014
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Basic Info

Listing number 5K8097
Reference number CK 2393
Brand Omega
Movement Manual winding
Case material Steel
Bracelet material Leather
Year 1952
Condition Good (Light signs of wear or scratches)
Scope of delivery Original papers, no original box
Gender Men's watch/Unisex
Location United Kingdom, London


Movement Manual winding
Movement/Caliber 33.3 CHRO T5
Power reserve 36 h
Frequency 1800 A/h


Case material Steel
Case diameter 37.7 mm
Water resistance Not water resistant
Bezel material Steel
Glass Plexiglass
Dial Silver
Dial numerals Arabic numerals


Bracelet material Leather
Bracelet color Brown
Clasp Buckle
Clasp material Steel




Only Original Parts


A rare, oversized Omega chronograph Ref. CK 2393-2 from the 1950s - produced on the 20th of March, 1952 and delivered to Finland.

Omega's rich history begins with its founder, Louis Brandt, who established the manufacture in 1848, in La Chaux de Fonds. In 1903, the company changed its name to Omega Watch Co, named after one its own movements. The brand has since become synonymous with exceptional chronographs.

Early examples take many forms, both in case shape and dial configuration, with this oversized Omega chronograph featuring a two-tone silvered dial, with gilt Arabic and dot numerals. Sized at 37.5mm and 13mm thick, it has a distinctive presence on the wrist, complemented by the elongated, faceted lugs.

The watch is a two-register chronograph, with two sub-dials featuring the thirty-minute counter at three o’clock and a running seconds at nine o’clock. The engine-turned sub-dials have black stick hands, matching the chronograph. The unrestored, two-tone dial also features a blue telemeter scale on the outer-section of the dial, while the inner track denotes the chronograph seconds. Further to this, the dial also displays Feuille hands, matching the silver tones on the Arabic numerals. The three-piece case is in excellent condition - retaining well-defined edges on the lugs and bezel - with a snap-back case, olive shaped pushers and original winding crown.

The watch carries the manual-winding, 33.3 calibre (signed as “Omega Watch Co”) at its heart, beating at 18,000 A/h, with a power reserve of approximately 36 hours. The Cal. 33.3 is not only one of Omega’s most revered chronograph movements, but also one of the best known from the early 20th century (and the predecessor to Omega’s Calibre 321 and the Lemania CH27). This is example represents one of the last to be made, with production having been stopped in 1952.

The watch is accompanied by an Extract from the Archives.

Viewings can be arranged in Central London.

This rare, vintage Omega CK 2393 has an unrestored dial, and is in excellent vintage condition. The watch is guaranteed for authenticity and comes with a two-year warranty from A Collected Man.

All of our pre-owned watches have undergone thorough mechanical inspections, including being ultrasonically cleaned, serviced and resealed if appropriate and tested for at least four days, to ensure they meet our highest timekeeping standards. Our pre-owned and vintage watches are covered by a full, or a limited twenty-four month warranty. For example, due to their age, some vintage watches should not be subjected to the same conditions as when they were new. Please see our Terms & Conditions for further information.

All of our new watches are covered by the warranty from the original manufacturer. Please contact us for further information.

We offer worldwide delivery on all of our watches.

If ordering from the UK or Europe before 1 PM, your watch will be sent the same working day. The courier will depend on the value of the watch, with all watches delivered the next working day.

If ordering from outside Europe, delivery will depend on choice of courier and destination.

You can cancel your order without giving any reason, within 14 days from the day the watch has been delivered to you.


A Collected Man

Show phone/fax number
Tel.: [+44] (0)20 3179 9599
Mobile: +447413245881
We speak:
  • English
  • French
  • Hungarian
  • Italian
Trusted Seller since 2014
38 watches listed
Number of recommendations from other Chrono24 dealers: 6
Number of watches sold via Trusted Checkout: 15

4.7 out of 5 stars  |  Reviews: 8

Detailed explanation of ratings 

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 4.4 Item description
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