Omega Seamaster DeVille Ref.166.020 Cal.565 34.5mm 1966

A stunning example of the Seamaster Deville from Omega’s transitional era in the mid-’60s. This Ref.166.020 from 1966 features a 34.5mm monocoque stainless steel case housing the robust and reliable Caliber 565 automatic movement, renowned for its durability and accuracy.

A subtle blend of mid-century elegance and technical ingenuity, this watch carries the legacy of Omega’s early Deville line—one that remains in production today. Not to mention this piece comes with its original Ref.1068 stainless steel Beadds-of-Rice bracelet, making it perfect for everyday wear or to dress up in formal occasions.

DIAL:

• Original flat silver sunburst dial in excellent condition

• Sleek steel stick hands, original and non-luminous

• Applied faceted steel baton hour indices

• Applied Omega logo and crisp “Seamaster DeVille” wording

• Domed acrylic plexiglass crystal, Omega-signed at center

CASE:

• Classic round monocoque stainless steel case in polished finish

• 34.5mm diameter (excluding crown) / 40.5mm lug-to-lug / 10.0mm thickness

• Professionally polished to excellent condition, keeping all sharp edges

• Original Omega-signed crown at 3 o’clock

• Stainless steel caseback with embossed Seamaster “hippocampus” logo

MOVEMENT:

• Omega Caliber 565 – Automatic winding with quickset date (Set by pulling crown to 3rd position to hop one day / ensure to avoid 9pm-3am)

• 24 jewels / ~40‑hour power reserve / 19,800 vph

• Movement freshly serviced and in excellent condition

• Last serviced: June 2025

• Accuracy: +1.0s/day

BRACELET:

• Original Omega Beads-of-Rice bracelet Ref.1068 in stainless steel, with hollow curved Ref.70 end-links

• Bracelet is in excellent condition, polished with sharp edges intact

• Fits between 16.0cm-17.5cm wrists

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 DeVille

Reference: 166.020

Case Material: Stainless Steel

Year: 1966

Serial Number: 24365755

Caliber: Omega Cal.565

Movement Type: Automatic

Power Reserve: 50 Hours

Accuracy: +1.0s/day

Diameter: 34.5mm

Lug to Lug: 40.5mm

Thickness: 10.0mm

Lume: None

Bracelet: Original Omega Beads-of-Rice ref.1068 stainless steel

Box and papers: NIL

Crystal: Domed acrylic (Omega-signed)

Crown: Original Omega-signed crown

Last Service: June 2025

Free tracked shipping via SingPost. Delivery within Singapore in 2–3 working days. International shipping may take 4–16 working days depending on destination.

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.