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

Omega Speedmaster Reduced 39mm Serviced ⏱

Omega - Speedmaster Reduced · $2,250

This is a neo-vintage Omega Speedmaster Reduced, coming with an original Omega modern box set and manual. The watch features a 39mm case and has been accurately timekeeping after service.

Case Size: 39mm
Lug To Lug: 45mm
Lug Width: 18mm

Posted at

Feb 4, 2026, 9:18 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $2,550

For sale is an Omega Speedmaster Reduced 3510.50 in really great condition, with no major signs of wear, and running great.

Condition: really great condition
Payment Methods Accepted: pretty much every payment method including crypto
No Paypal: true
Trade Acceptable Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

Feb 4, 2026, 3:43 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced Black Mother of Pearl - Full Serviced! - $2,999 Shipped!

Omega - Speedmaster Reduced · $2,999

This Omega Speedmaster Reduced Black Mother of Pearl is a watch that features a unique mother-of-pearl dial. It has been fully serviced.

Serviced: true

Posted at

Feb 3, 2026, 8:13 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!

Omega - 175.0033 · $2,750

This is a Beautiful Omega Speedmaster Reduced, reference number 175.0033. The watch is running and all the functions are working as they should.

Condition: Great vintage condition, light hairlines on bezel and case
Case size: 39mm diameter
Strap type: high quality leather strap from Casanova

Posted at

Feb 3, 2026, 1:21 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Reduced 39mm Serviced ⏱

Omega - Speedmaster Reduced · $2,250

Condition: Pre-owned, serviced
Case Size: 39mm diameter
Lug To Lug: 45mm length
Lug Width: 18mm width

Posted at

Jan 28, 2026, 9:30 PM

Active

View listing on r/WatchExchange