Omega Seamaster Ref.14390 Cal.285 34.0mm 1959

Up for grabs is a Seamaster that perfectly balances charm and wearability, the Ref.14390. Produced during one of Omega’s most celebrated eras, it showcases the iconic sleek case construction paired with a pristine well preserved dial. Its slim profile and refined aesthetics make it an easy daily companion while still retaining strong vintage character.

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.285 inside running excellently as shown in the timegrapher reading above, just like it was when it left the factory over half a century ago.

DIAL:

• Original silver sunburst dial in excellent vintage condition

• Steel pencil hands with matching steel applied hour indices

• Applied Omega logo and original wording

• Domed acrylic crystal, Omega-signed at center

CASE:

• Distinctive sleek lugged case design

• 34mm Diameter (excluding crown) / 42mm Lug-to-lug / 11mm Thickness

• Professionally polished with all sharp edges intact

• Original Omega-signed special "Mercedes" crown at 3 o’clock

CASEBACK:

• Screwdown caseback with iconic Seamaster hippocampus icon

• Professionally polished to perfect vintage condition

• Comes with plastic protective sticker as shown

MOVEMENT:

• Omega Cal. 285 – Manual wind mechanical

• 17 Jewels / ~44 Hour Power Reserve / 18,000 vph

• No date function

• Movement freshly serviced and in excellent condition

• Last serviced: February 2026

• Accuracy: +1.0s/day

STRAP:

• Handmade Black Crocodile Leather strap, 18mm lug width

• Aftermarket Omega-signed 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

Year: 1959

Case Material: Stainless Steel

Reference: 14390

Movement Serial: 17881311

Caliber: 285

Diameter: 34mm

Lug to lug: 42mm

Lug width: 18mm

Thickness: 11mm

Lume: NIL

Strap: Handmade crocodile leather strap

Box and papers: NIL

Accuracy: +1.0s/day

Movement type: Manual wind mechanical

Crystal: Domed acrylic, Omega signed

Crown: Original Omega signed crown

Last service: February 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: 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.