Omega Constellation Ref.168.017 Cal.561 35.0mm 1966

Available now would be one of Gerald Genta's most underrated designed, the C-shaped Omega Constellation 168.017. Completing the watch is the classic Constellation case with its distinctive lyre lugs and sharp profile, recently professionally polished while retaining its vintage character. At 35.0mm it wears beautifully on the wrist, offering a timeless proportion that suits both modern and classic tastes. Fitted on a handmade black crocodile leather strap, this Omega Constellation 168.017 makes the perfect vintage dress watch and a must-have addition for any serious Omega collector.

In addition, this timepiece comes freshly serviced with all parts laid out by our professional watchmaker for all to see in the images above. Little to no other dealers do this and it’s a testament to full transparency here at Montre D’or. With the Cal.561 inside running excellently as shown in the timegrapher reading above, just like it was when it left the factory nearly half a century ago.

DIAL:

• Original silver sunburst dial in excellent vintage condition

• Stick black hands with no lume

• Applied hour indices with matching inserts

• Original Omega logo and crisp original wording

• Domed acrylic crystal, Omega-signed at center

CASE:

• Distinctive C-Shape Constellation case design

• 35.0mm Diameter (excluding crown) / 40.0mm Lug-to-lug / 10.5mm Thickness

• Professionally polished with all sharp edges intact

• Original Omega-signed crown at 3 o’clock

CASEBACK:

• Screwdown caseback with Constellation observatory medallion

• Professionally polished to perfect vintage condition

• Comes with plastic protective sticker as shown

MOVEMENT:

• Omega Cal.561 – Automatic movement

• 24 Jewels / ~50 Hour Power Reserve / 19,800 A/h

• Semi-quickset date function (advance by repeatedly cycling the crown between 21:00–24:00)

• Movement freshly serviced and in excellent condition

• Last serviced: March 2026

• Accuracy: ~0s/day

STRAP:

• Handmade Black crocodile leather strap, 18.0mm lug width

• Aftermarket Omega-style stainless steel buckle

AFTERCARE PACKAGE:

• Comes with a black presentation box + silica gel

• Complimentary PolyWatch crystal polishing kit (for acrylic crystal)

• 6-month warranty (covers non-user damage only)

• Guarantee Certificate with full service details included

• Access to our exclusive post-warranty repair services

• 7-day return policy for peace of mind

SPECIFICS:

Maker: Omega

Model: Constellation

Year: 1966

Case Material: Stainless Steel

Reference: 168.017

Movement Serial: 23910336

Caliber: Omega Cal.561

Diameter: 34.5mm

Lug to lug: 40.0mm

Lug width: 18.0mm

Thickness: 10.5mm

Lume: None

Strap: Handmade black crocodile leather strap

Box and papers: Box only

Accuracy: ~0s/day

Movement type: Automatic

Crystal: Domed acrylic, Omega-signed

Crown: Original Omega-signed crown

Last service: March 2026

Free express tracked shipping with signature upon delivery. Delivery within Singapore in 1-2 working days. International shipping may take 2–12 working days depending on destination and will be shipped via FedEx/UPS/Aramex/SingPost

Do note respective custom duties might apply which includes the recent US tariffs and are the buyer's responsibility.

Do note that for US bound shipments the PolyWatch polishing kit will not be included in order to mitigate customs delay due to new customs requirements

Countries that we do not ship to: Afghanistan, Belarus, the Central African Republic, Chad, Cuba, the Democratic Republic of the Congo, Eritrea, Iran, Iraq, Lebanon, Libya, North Korea, Oman, Pakistan, Russia, Somalia, South Sudan, Syria, Ukraine and the Crimea, Donetsk, and Luhansk regions of Ukraine.

This is a vintage timepiece and water resistance is not guaranteed. Please avoid contact with water or moisture. Store the watch with dry tissue or silica gel to preserve its condition. We are not liable for water damage post-purchase.