Omega Seamaster Cosmic Ref.165.026 Cal.552 35.0mm 1969

This beautifully preserved Omega Seamaster Cosmic Ref.165.026 is housed in a 35.0mm stainless steel case with a gorgeous original cream-silver brushed sector dial, crisp black outer minute track, applied baton hour markers and matching pencil shaped hands. The applied Omega logo and original “Omega Automatic” and “Seamaster Cosmic” wording remain beautifully presented, complemented by the distinctive streamlined C-case, original signed crown and domed acrylic crystal.

In addition, this timepiece comes freshly serviced with all parts laid out by our professional watchmaker for all to see in 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.552 in this Omega Seamaster Cosmic running excellently as shown in the timegrapher reading above, just like it was when it left the factory nearly six decades ago.

DIAL:

• Original cream-silver brushed sector dial with minor marks
• Original pencil shaped hands with luminous inserts
• Applied baton hour indices with matching luminous details
• Original Applied Omega logo and crisp original wording
• Printed outer minute and seconds track
• Domed acrylic crystal, Omega-signed at center

CASE:

• Distinctive stainless steel C-case with monocoque/front-loading construction
• 35.0mm Diameter (excluding crown)/ 38.0mm Lug-to-lug / 11.0mm Thickness
• Professionally polished with all sharp edges intact
• Original Omega-signed crown

CASEBACK:

• Original monocoque caseback with Seamaster, Waterproof and Omega Hippocampus engravings
• Professionally polished to perfect vintage condition
• Comes with plastic protective sticker as shown

MOVEMENT:

• Omega Caliber 552 – Automatic
• 24 Jewels / 50+ Hour Power Reserve / 19,800 bph No-date function
• Movement freshly serviced and in excellent running condition (watchmaker photos/timegrapher included).

STRAP:

• Handmade leather strap, colour and design can be changed upon request depending on availability
• Aftermarket Omega 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: Seamaster Cosmic
Year: 1969
Case Material: Stainless Steel
Reference: 165.026
Movement Serial: 28881445
Caliber: Cal.552
Diameter: 35.0mm
Lug to lug: 38.0mm
Lug width: 19.0mm
Thickness: 11.0mm
Lume: Luminous hour markers and hands
Strap: Handmade leather strap
Box and papers: NIL
Accuracy: +1.0s/day
Movement type: Automatic
Crystal: Original acrylic
Crown: Original Omega-signed
Last service: August 2026

Free express tracked shipping provided. 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 and South America 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, Israel, 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.