Omega Seamaster Ref.166.037 Cal.565 34.5mm 1969

Coming in a sleek 34.5mm classic case, with a beautiful mirror polished finished and a stunning silver sunburst dial. The Omega Seamaster 166.037 makes the perfect do it all timepiece. Fit for there more classy collector who finds elegence in the more simple yet elegent pieces out there.

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.565 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 pristine condition

• Pencil shaped hands with black and tritium lume inserts

• Applied faceted hour indices with black inserts and tritium lume plots

• Applied Omega logo and original Seamaster/Automatic wording

• Date window at 3 o’clock with quickset date function via Cal.565

• Domed acrylic crystal, Omega-signed at center with inner cyclopes crystal

CASE:

• Distinctive late-60s Seamaster case with smooth bezel and straight, slightly downturned lugs

• Approx. 34.5mm diameter (excluding crown) / 40.5 mm lug-to-lug / 11.0mm thickness

• Professionally polished in excellent condition, all sharp edges intact

• Original Omega-signed coin edge crown at 3 o’clock

CASEBACK:

• Stainless steel screwdown caseback with Seamaster hippocampus engraving

• Comes with plastic protective sticker as shown

MOVEMENT:

• Omega Cal.565 – Automatic

• 24 jewels / approx. 50-hour power reserve / 19,800 bph

• Quickset date function (Set by pulling crown to 3rd position to hop one day / ensure to avoid 9pm-3am)

• Movement freshly serviced and in excellent running condition

• Last serviced: December 2025

• Accuracy: ~0s/day

STRAP:

• Handmade Black Crocodile Leather strap, 18mm lug width

• Aftermarket Omega-signed stainless steel buckle

AFTERCARE PACKAGE:

• Comes with a black wooden box + silica gel

• Free PolyWatch Acrylic Crystal Polishing kit

• Warranty/Service history card for easy future sale

• 1-Month warranty (non-user damage)

• Exclusive Post-warranty service access

• 7-day return policy for peace of mind

SPECIFICS

Maker: Omega

Model: Seamaster

Year: 1969

Case Material: Stainless steel

Reference: 166.037

Serial Number: 28966659

Caliber: Omega Cal.565

Diameter: 34.5mm (excluding crown)

Lug to lug: 40.5 mm

Lug width: 18.0mm

Thickness: 11.0mm

Lume: Original tritium on hands and hour markers (no longer guaranteed to glow strongly)

Strap: Handmade Crocodile Leather

Box and papers: No original box or papers; supplied with Montre D’or black wooden box

Accuracy: ~0s/day

Movement type: Automatic, self-winding

Crystal: Domed acrylic (plexiglass), Omega-signed

Crown: Original Omega-signed coin edge crown

Last service: December 2025

Free tracked shipping via SingPost. Delivery within Singapore in 2–3 working days. International shipping may take 4–16 working days depending on estination. Do note respective custom duties might apply which includes the recent US tariffs and are the buyer's responsibility.

Countries that we do not ship to: Algeria, Nepal, Pakistan, Russia, Vietnam, Iran,

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.