Omega Speedmaster Reduced Speedmaster Reduced Ladies Stainless Steel / Diamond / Blue MOP

Reference 3815.73.31

About this watch

The Omega Speedmaster Reduced Ladies Stainless Steel / Diamond / Blue MOP model (reference 3815.73.31) is a masterpiece of luxury watch design, boasting a stunning blue mother-of-pearl dial, gem-set bezel, and sapphire crystal that exudes elegance and sophistication. This timepiece is not only visually striking but also highly functional, featuring an automatic chronograph movement based on the reliable ETA 2892, with a power reserve of approximately 42 hours and a frequency of 28800 beats per hour. The Omega Speedmaster Reduced strikes a perfect balance between simplicity and sophistication, making it an ideal choice for those who value craftsmanship, aesthetics, and reliability in their timepieces. Whether you're looking for a piece that combines functionality and fashion or simply want to own a piece of history on your wrist, the Omega Speedmaster Reduced is sure to impress.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Omega caliber 3220 automatic chronograph movement
  • 39.00 mm diameter stainless steel case with sapphire crystal
  • Blue mother-of-pearl dial with Arabic numeral indexes and stick hands

Specifications

Brand
Omega
Family
Speedmaster Reduced
Model
Speedmaster Reduced Ladies Stainless Steel / Diamond / Blue MOP
Reference
3815.73.31
Movement
3220
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph
Case
Stainless Steel 39mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Speedmaster Reduced Strap - 18mm

Omega Speedmaster Reduced Strap - 18mm

  • Strap width: 18mm
Posted at
May 7, 2026, 11:22 AM
Active
[WTS] Omega Speedmaster Reduced 3510.50

Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $2,499
This Omega Speedmaster Reduced is a 39mm watch with a 7-inch bracelet.

  • Case size: 39mm
Posted at
May 4, 2026, 9:26 PM
Active
[WTS] Omega Speedmaster Reduced 3510.50 - $2500 SHIPPED

Omega Speedmaster Reduced 3510.50 - $2500 SHIPPED

Omega - 3510.50 · $2,500
This Omega Speedmaster Reduced features a 39mm case size, automatic 3220 movement, and is very wearable on most wrists.

  • Condition: Good overall condition with light scratches from regular use
  • Case size: 39mm
  • Movement: 3220 automatic
  • Bracelet type: Uncle's flat link
Posted at
May 4, 2026, 7:06 PM
Active
[WTS] Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega - 3510.50 · $3,200
A beautiful Omega Speedmaster Reduced with a matte black Luminova dial, stainless steel case with twisted lugs, and an automatic Omega caliber 3220 movement.

  • Condition: Mint
  • Movement: Automatic Omega caliber 3220 (ETA 2890-2 with Dubois- Depraz chronograph module)
  • Case size: 39mm diameter
  • Bracelet type: Omega 1469
Posted at
May 4, 2026, 8:51 AM
Active
[WTS] Omega Speedmaster Reduced 3510.21 Limited Edition (2,000 Pcs) Marui 39mm , B&P  - $5,550

Omega Speedmaster Reduced 3510.21 Limited Edition (2,000 Pcs) Marui 39mm , B&P - $5,550

Omega - 3510.21 · $5,550
Up for sale is my Omega Speedmaster 3510.21, a limited edition watch with only 2,000 pieces produced. It measures 39mm and features an automatic movement.

  • Condition: Very good condition
  • Case size: 39mm diameter
  • Movement type: Automatic
Posted at
May 3, 2026, 8:39 PM
Active
[WTS] Omega Speedmaster Reduced "Michael Schumacher" Limited Edition, 3517.30.00. Card Included. Collector's watch. Clean..

Omega Speedmaster Reduced "Michael Schumacher" Limited Edition, 3517.30.00. Card Included. Collector's watch. Clean..

Omega - 3517.30.00 · $3,495
A collector's Omega Speedmaster Reduced 'Michael Schumacher' Limited Edition, in good condition with a card included.

  • Condition: Clean
  • Shipping method: Fedex with insurance
  • Location: NJ USA
Posted at
May 1, 2026, 6:01 PM
Active
[WTS] Omega Speedmaster Reduced - 3510.50

Omega Speedmaster Reduced - 3510.50

Omega - 3510.50 · $2,495
A Omega Speedmaster Reduced in good pre-owned condition, featuring a 39mm case size and chronograph function that will require service.

  • Condition: good pre-owned condition
  • Size: 39mm diameter
Posted at
Apr 29, 2026, 1:01 PM
Active
[WTS] Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

A rare and unique Omega Speedmaster reduced model with a 39mm case, featuring a stunning Mother of Pearl dial.

  • Condition: Good condition for the age
  • Case size: 39mm
  • Strap type: Factory Omega leather strap
Posted at
Apr 28, 2026, 5:37 PM
Active