Vintage Omega Ref. 166.033 Wristwatch c.1960s | Cal. 565 Automatic | 24 Jewel | 35mm

Offered here is a classic Omega Reference 166.033 Automatic Wristwatch dating to the 1960s, powered by Omega's highly regarded Caliber 565 24 jewel automatic movement. With its warm yellow gold-filled case, silver dial, and restrained mid-century styling, this vintage Omega is an attractive example from one of the most important periods in the company's mechanical watchmaking history.

The watch features a 35mm yellow gold-filled case, an ideal vintage size that wears comfortably while retaining the elegant proportions characteristic of 1960s Swiss wristwatches. The one-piece case has acquired noticeable wear from decades of use, giving the watch an authentic vintage appearance.

The silver dial remains in very good condition and features applied non-numeric hour markers, slender baton hands, center sweep seconds, and a conveniently positioned date window. The clean dial layout and subtle gold-tone accents give the watch a sophisticated appearance that works equally well as a dress watch or an everyday vintage timepiece.

At the heart of the watch is Omega's renowned Caliber 565, a 24 jewel automatic movement produced during the golden era of Omega mechanical watchmaking. The Cal. 565 is particularly appreciated by collectors for its robust construction, dependable automatic winding system, and practical date complication. It remains one of Omega's best-known vintage automatic movements and contributes significantly to the desirability of this watch.

Paired with a traditional leather strap, this Omega offers everything that makes a vintage Swiss watch appealing: classic proportions, understated styling, a respected in-house mechanical movement, and the character that can only develop through more than half a century of use.

Details:

MAKE
Manufacturer: Omega
Model: DE VILLE
Country: Switzerland
Type: Man's
Circa Date: 1960s
CASE
Material: Yellow Gold Filled.
Measurements: The width is 35 mm without crown.
Shape: Round.
Back: One piece case.
Reference #:166.033
Conditions:  C  3-16  (The case is in Worn condition)
BAND
Type: Standard Leather band.
DIAL
Color: Silver.
Numerals: Non-numeric Markers.
Hands: Baton Hands.
Features: Sweep Seconds, Date Window.
Conditions:  D  3  (The dial is in Very Good condition)
MOVEMENT
Type: Automatic wind movement.
Jewels:  24 Jewels.
Escapement: Lever Escapement.
Set: Stem Set.
Numbered: Cal. 565
Signed: Yes.
Conditions:  M  3  (The movement is in Very Good condition) 

Condition Notes

This Omega Reference 166.033 remains in good vintage condition overall, with the dial and movement particularly well preserved.

• Yellow gold-filled case shows noticeable wear consistent with age and use.
• Silver dial remains in very good condition.
• Applied markers and baton hands present attractively.
• Signed Omega Caliber 565 24 jewel automatic movement remains in very good condition.
• Date and center sweep seconds add practical everyday functionality.
• Please review the photographs carefully for the case wear, as the images form an important part of the description.

The case wear has been taken into consideration when evaluating this watch and does not detract from the desirability of its original vintage Omega dial and highly regarded Caliber 565 movement.

Why Collect the Omega Caliber 565?

The Omega Caliber 565 is one of the standout automatic movements from Omega's celebrated 1960s production. A member of the highly respected 550-series movement family, the 24 jewel Cal. 565 is admired for its durability, reliability, and straightforward serviceability.

Its combination of automatic winding and a practical date display made it particularly well suited to everyday use. Decades later, watches powered by the Cal. 565 remain popular among collectors looking for a vintage Omega that can be appreciated for both its mechanical quality and classic styling.

This Ref. 166.033 also offers the increasingly desirable 35mm vintage case size. As collectors have rediscovered traditionally proportioned wristwatches, watches in the 34–36mm range have found renewed appeal among both men and women.