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 - Mother of Pearl Dial - Price Reduced ‼️

Omega - Speedmaster Reduced · $2,495

A super rare and unique Omega Speedmaster with a Mother of Pearl dial, available for sale today.

Condition: Decent condition, light scratching on case and hairlines on bezel
Case size: 39mm
Dial color: Mother of Pearl

Posted at

Dec 10, 2025, 6:39 PM

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Omega Speedmaster Reduced Automatic GREAT SET w/ Original Papers & Omega Service Paperwork!

Omega - Speedmaster Reduced · $2,850

A classic Omega Speedmaster Reduced in excellent condition, complete with original papers and Omega service history. This watch features a 39mm stainless case, automatic movement serviced by Omega in 2018, and an original Omega bracelet.

Condition: Excellent, lightly worn vintage watch with some signs of age
Case size: 39mm diameter
Bracelet size: adjusts to 6.7-7.1 inches with extra links
Movement service history: fully serviced by Omega in 2018

Posted at

Dec 9, 2025, 8:26 PM

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View listing on r/WatchExchange

Omega Speedmaster Reduced Ref. 3518.50 - Michael Schumacher LE

Omega - 3518.50 · $3,550

The Omega Speedmaster Racing Michael Schumacher Limited Edition, a highly collectible model produced as part of Omega’s tribute to Formula 1 legend Michael Schumacher. This limited edition watch is one of 6000 produced and comes in excellent condition.

Condition: Excellent overall condition with light signs of wear
Limited edition quantity: 6000
Case condition: Excellent overall condition with only light signs of wear consistent with careful use
Dial condition: Perfect condition — no blemishes, discoloration, or lume degradation

Posted at

Dec 4, 2025, 11:55 AM

Active

View listing on r/WatchExchange