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.
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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 Date Annual Calendar Chronograph Silver Dial (Papers/Mint)

Omega Speedmaster Reduced Date Annual Calendar Chronograph Silver Dial (Papers/Mint)

Omega - 3521.30.00 · $2,300
The Omega Speedmaster Reduced Triple Calendar features a compact stainless steel case, silver dial, and automatic movement with chronograph, day, date, and month functions.

  • Condition: mint, minimal signs of wear
  • Case size: 39mm diameter
  • Bracelet size: fits wrists up to 7.5” (19.5 cm)
  • Movement: automatic
Posted at
Jun 19, 2025, 2:22 PM
Active
Omega Speedmaster Reduced Mop Dial Automatic 3534.70.00

Omega Speedmaster Reduced Mop Dial Automatic 3534.70.00

Omega - 3534.70.00 · $2,210.002
A 38mm Omega Speedmaster Reduced Mop Dial Automatic, a chronograph watch with a mechanical automatic movement and stainless steel case.

  • Condition: 90%
  • Size: 38mm diameter
  • Case material: Stainless Steel
  • Movement type: Mechanical Automatic
Posted at
Jun 18, 2025, 9:53 AM
Active
[WTS](EU ONLY) Omega Speedmaster Reduced - Reverse Panda 3511.50

(EU ONLY) Omega Speedmaster Reduced - Reverse Panda 3511.50

Omega - 3511.50 · $2,290
This Omega Speedmaster Reduced features a Reverse Panda dial, housed in a steel case with a diameter of 39mm. The watch is powered by Omega's Caliber 1155/Valjoux 7750 movement, manufactured in the 1990s.

  • Condition: Pre-owned with surface scratches
  • Movement: Omega Caliber 1155/Valjoux 7750
  • Manufacture date: 1990s
  • Thickness: 13.5mm
Posted at
Jun 17, 2025, 10:26 AM
Active
[WTS] Two Tone Omega Speedmaster Reduced

Two Tone Omega Speedmaster Reduced

Omega - 3714.20.80 · $2,500
A two-tone Omega Speedmaster Reduced in overall good condition with a white dial, gold subdials, and an 18k gold bezel.

  • Condition: Good condition with wear on the case and bezel
  • Movement: Cal 1140
  • Case size: 39mm diameter
Posted at
Jun 11, 2025, 10:26 PM
Active
[WTS] Omega Speedmaster Reduced “Schumacher Racing” Yellow – serviced NOS w/ Box, Papers & Warranty

Omega Speedmaster Reduced “Schumacher Racing” Yellow – serviced NOS w/ Box, Papers & Warranty

This Omega Speedmaster Reduced 'Schumacher Racing' Yellow is a vintage new old stock timepiece that has been fully serviced by Bucherer & Omega, ensuring its reliability and accuracy. It features an automatic chronograph movement and comes with an original Bucherer travel box, brand-new yellow strap, and an Omega-backer warranty valid through December 2026. The watch measures 39mm in case size.

  • Condition: New Old Stock (NOS)
  • Movement Type: Automatic chronograph
  • Case Size: 39 mm
Posted at
Jun 10, 2025, 1:54 PM
Active
Omega Speedmaster Reduced Mop Dial Automatic 3534.70.00

Omega Speedmaster Reduced Mop Dial Automatic 3534.70.00

Omega - 3534.70.00 · $2,210
The Omega Speedmaster Reduced Mop Dial Automatic is a chronograph watch with a stainless steel case and mechanical automatic movement.

  • Condition: 90%
  • Size: 38mm diameter
  • Case material: Stainless Steel
Posted at
Feb 28, 2025, 11:39 AM
Active
Omega Speedmaster Reduced "Marui" - 3510.21 - White - Steel - 39mm

Omega Speedmaster Reduced "Marui" - 3510.21 - White - Steel - 39mm

Omega - 3510.21 · $5,995
A vintage Omega Speedmaster Reduced 'Marui' watch in excellent condition, featuring a white dial and stainless steel case.

  • Condition: Pre-Owned, Excellent Grade
  • Case Size: 39mm diameter
  • Material: Stainless Steel
  • Dial Color: White
Posted at
Feb 16, 2025, 10:59 PM
Active