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Description

Omega, Very Rare Gold Chronograph Cal. 33.3, circa 1940
Case: 36.3 mm, 18k gold, four body, snap back, inner 18k gold dust cap, down turned lugs, No. 9175250
Dial: original multi-scale dial with Arabic numerals, thirty minute register, constant seconds, blued steel
Movement: No. 9389386, nickel finished, 17 jewels, manual wind, cal. 33.3
Band: leather with plated Omega buckle

This exceptional vintage Omega is from the cal. 33.3 chronograph series, which is considered to be a forerunner of the Speedmaster, is one of the most sought-after chronographs by Omega. It is said that only 14,000 movements were produced for 20 years.


Condition Report*: Type: Omega, Very Rare Gold Chronograph Cal. 33.3, circa 1940
Dial: original multi-scale dial with Arabic numerals, thirty minute register, constant seconds
Hands: blued steel
Metal: 18k gold
Case: #No. 9175250
Case Info: four body, snap back, inner 18k gold dust cap, ovid push buttons, down turned lugs
Case Width: 36.3 mm
Crystal: acrylic
Watch Movement: No. 9389386, nickel finished, 17 jewels, manual wind, cal. 33.3
Band: leather with plated Omega buckle
Condition: Very good original overall condition. Dial with spotting and case with some dings on the back commensurate to age. Watch sets and runs as it should. Heritage does not guarantee timekeeping accuracy. We always recommend servicing for daily use and timekeeping accuracy.
*Heritage Auctions strongly encourages in-person inspection of items by the bidder. Statements by Heritage regarding the condition of objects are for guidance only and should not be relied upon as statements of fact, and do not constitute a representation, warranty, or assumption of liability by Heritage. All lots offered are sold "AS IS".

Auction Info

Proxy Bidding Ends 
November
20th Thursday 10:50 am CT
Auction Dates
November
20th Thursday
Proxy Bidding Time Remaining 
20 Days 10h 5m 48s
Bids + Registered Phone Bidders: 7
Lot Tracking Activity: 47
Page Views: 319

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This lot is in: 1 - Signature® Floor Session (Live Floor, Live Phone, Mail, Fax, Internet, and Heritage Live):
(Lots 54001-54152) - 11:00 AM Central Time, Thursday, November 20, 2025.
[Proxy bidding ends ten minutes prior to the session start time. Live Proxy bidding on Heritage Live now starts within 2 hours of when the auction opens for proxy bidding and continues through the live session.]

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Additional Location Info:
Heritage Auctions
2801 W. Airport Freeway
Dallas, TX 75261

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