[WTS] Omega Speedmaster. 39mm. MK40.

Omega Speedmaster. 39mm. MK40.

Omega - MK40 · $2,250
This is a 39mm Omega Speedmaster triple date watch with additional details available through the provided links.

  • Case size: 39mm diameter
  • Shipping options: Fedex with insurance, global shipping accepted
Posted at
Apr 19, 2026, 4:36 PM
Active
[WTS] Omega Speedmaster MK40. REF 3520.53. Watch and extra link ONLY. $2570 shipped CONUS.

Omega Speedmaster MK40. REF 3520.53. Watch and extra link ONLY. $2570 shipped CONUS.

Omega - 3520.53 · $2,570
Up for sale is my Omega Speedmaster MK40 triple date, a cool watch that deserves to be worn regularly.

  • Condition: Pre-owned (not original owner)
  • Size: 7.5IN
  • Extra Link: 1 extra link
Posted at
Apr 12, 2026, 11:59 AM
Sold
[WTS] Omega Speedmaster Triple Calendar 3520.50 MK40 ( Great Condition / Serviced / w/ original box / Tariffs Covered ) 2380USD

Omega Speedmaster Triple Calendar 3520.50 MK40 ( Great Condition / Serviced / w/ original box / Tariffs Covered ) 2380USD

Omega - 3520.50 Mk40 · $2,380
A neo-vintage chronograph from the 1990s with a unique triple calendar layout and chronograph functionality.

  • Condition: Great Condition, Serviced
  • Caliber: Caliber 1151 (based on Valjoux 7751)
  • Case Size: 39mm diameter
  • Lug To Lug: 45mm
Posted at
Apr 11, 2026, 9:14 AM
Sold
[WTS] Omega Speedmaster Day-Date MK40 Ref.3520.53.00 39mm | Great Condition (With Box, Booklet, Card & Serviced) | $3150

Omega Speedmaster Day-Date MK40 Ref.3520.53.00 39mm | Great Condition (With Box, Booklet, Card & Serviced) | $3150

Omega - 3520.53.00 · $3,150
The Omega Speedmaster Day-Date MK40 Ref.3520.53.00 is a 39mm full calendar chronograph with a unique dial layout and the Omega Caliber 1151 movement.

  • Condition: Great, serviced condition
  • Size: 39mm diameter
  • Movement: Omega Caliber 1151 (based on Valjoux 7751)
  • Power reserve: 42 hours
Posted at
Apr 7, 2026, 11:06 PM
Sold
[WTS] OMEGA Speedmaster 3520.53 MK40 Chronograph Automatic Cal Ω 1151 SERVICED - 39 mm

OMEGA Speedmaster 3520.53 MK40 Chronograph Automatic Cal Ω 1151 SERVICED - 39 mm

  • Case size: 39mm diameter
  • Movement: Cal Ω 1151 Chronograph Automatic
Posted at
Mar 26, 2026, 12:47 PM
Expired
[WTS] Omega Speedmaster MK40 - With Inner/Outer Boxes and Manual - $2975

Omega Speedmaster MK40 - With Inner/Outer Boxes and Manual - $2975

Omega - 3820.53 · $2,795
A fun colorful Speedmaster variant with a tritium model and aged lume, made for Ben Clymer/Schumacher.

  • Condition: Great condition
  • Case Size: 38.5mm diameter
  • Lug Width: 18mm
  • Lug To Lug: 45mm
Posted at
Mar 20, 2026, 11:26 AM
Sold
[WTS] Omega Speedmaster MK40

Omega Speedmaster MK40

Omega - 3820.53 · $3,000
a fun watch with tritium lume that has aged to a perfect pumpkin hue, made famous by Ben Clymer and Schumacher.

  • Condition: Great condition
  • Case Size: 38.5mm diameter
  • Lug Width: 18mm
  • Lug To Lug: 45mm length
Posted at
Mar 19, 2026, 11:24 PM
Expired
[WTS] *Price Reduction* ‼️Omega Speedmaster Mk40 (Ref. 3520.50)‼️ 🚀

*Price Reduction* ‼️Omega Speedmaster Mk40 (Ref. 3520.50)‼️ 🚀

Omega - 3520.50 · $2,300
A masterclass in packaging, this Omega Speedmaster Mk40 (Ref. 3520.50) features a 12-hour chronograph, 24-hour indicator, and full calendar in a 39mm case that wears significantly better than the standard 42mm Professional.

  • Condition: Good condition with honest wear on the case and minor issues with lyre lugs.
  • Case Condition: Good condition with honest wear on the left side of the case
  • Dial Condition: Matte black is flawless
  • Movement Status: Running strong
Posted at
Mar 15, 2026, 11:28 AM
Sold
[WTS] *Price Reduction* ‼️Omega Speedmaster Mk40 (Ref. 3520.50)‼️ 🚀

*Price Reduction* ‼️Omega Speedmaster Mk40 (Ref. 3520.50)‼️ 🚀

Omega - 3520.50 · $2,589
The Omega Speedmaster Mk40 (Ref. 3520.50) is a Triple Date watch that fits a 12-hour chronograph, 24-hour indicator, and a full calendar into a 39mm case.

  • Condition: Good condition with honest wear. Most obvious wear can be found on the left side of the case.
  • Case wear: honest wear on left side of case
  • Dial condition: flawless
  • Movement performance: running strong, chronograph starts, stops, and resets to zero perfectly
Posted at
Feb 22, 2026, 10:30 AM
Expired