Omega Speedmaster Speedmaster Professional Missions Gemini XII

Reference 3597.10.00

About this watch

The Omega Speedmaster Professional Missions Gemini XII stands out as a beacon of excellence in the world of luxury watches. This limited edition timepiece, produced between 1997 and 1998, is a tribute to NASA's Gemini program and features a stunning design that whispers elegance without being loud. The sleek stainless steel case, black dial with stick indexes and dot markers, and tachymeter bezel all contribute to its timeless appeal. Powered by the Omega caliber 1861 movement, a hand-wound chronograph known for its reliability and precision, this watch is suitable for both everyday wear and special occasions. With only 200 units made, owning an Omega Speedmaster Gemini XII is like holding a piece of horological history. Its historical significance adds a layer of intrigue that few other watches can match, making it a must-have for collectors, space enthusiasts, and those who appreciate the finer things in life.

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Key Features

Limited edition of 200 units
Omega caliber 1861 hand-wound chronograph movement
42mm diameter stainless steel case
Black dial with stick indexes and dot markers
Tachymeter bezel for measuring speed
Water resistance of 50 meters
20mm lug width for versatility

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Missions Gemini XII

Reference

3597.10.00

Movement

1861

Movement Features

Small Seconds, Hours, Minutes
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,195

Omega - 311.92.44.51.01.006 · $8,195

This Omega Speedmaster Moonwatch, part of the Dark Side of the Moon collection, features a Vintage Black design.

Condition: Excellent condition with minimal signs of wear
Year: 2022
Contents: Watch,Inner & Outer Box,International Warranty Card,Pictograms Card,Card Holder,Operating Instructions Manual,Omega Travel Box
Condition Details: Strap is relatively new (purchased 4/27/25), Inner box has some wear

Posted at

Oct 25, 2025, 10:50 AM

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2024 Omega Speedmaster Professional Moonphase 44.25mm 304.33.44.52.03.001 Blue Dial

Omega - 304.33.44.52.03.001 · $7,550

2024 Omega Speedmaster Professional Moonphase in 44.25mm size with blue dial.

Condition: Pre-Owned, with wear on polished parts of case and worn but still usable strap
Case size: 44.25mm diameter

Posted at

Oct 24, 2025, 11:13 PM

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[CANADA] Omega Speedmaster Reduced - MOP Dial - 39mm

Omega - 3534.79 · $2,400

A unique Omega Speedmaster Reduced featuring a mother of pearl dial with vibrant red Arabic numerals, available in a 39mm case size.

Condition: Very well preserved with expected wear for the age
Case Size: 39mm diameter
Movement: Omega automatic chronograph
Dial Material: Mother of pearl

Posted at

Oct 24, 2025, 12:39 PM

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Omega Speedmaster ‘57 Blue Dial Full Set 331.10.42.51.03.001

Omega - 331.10.42.51.03.001 · $4,750

This Omega Speedmaster '57 Blue Dial features a blue dial and red chrono hands, dated 2015, and is in good condition with some scratches. It comes as a full set with original box, warranty cards, and extra links.

Condition: Good condition with scratches, serviced in 2017
Case diameter: 41.5mm
Lug width: 20mm

Posted at

Oct 24, 2025, 1:51 AM

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Omega Speedmaster Day Date Blue Dial 3523.80 Automatic $1600

Omega - 3523.80 · $1,600

This Omega Speedmaster Day Date features a blue dial and is powered by an automatic movement.

Condition: Mint
Case Size: 39mm diameter
Bracelet Length: 17.5cm

Posted at

Oct 23, 2025, 9:32 PM

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Omega Speedmaster Reduce Mother of Pearl White Dial (Original Bracelet) - 2600$ Shipped

Omega - Speedmaster Reduced · $2,600

A lovely Omega Speedmaster reduced on the original omega bracelet with a Mother of Pearl white dial.

Condition: Working as it should, unknown recent service history
Bracelet size: 6.8 inches, with micro adjusts
Photos available: on Imgur

Posted at

Oct 23, 2025, 9:28 PM

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Omega Speedmaster Rattrapante Split Seconds 3540.50 - Carbon Dial - $2600 SHIPPED

Omega - 3540.50 · $2,600

This Omega Speedmaster Rattrapante Split Seconds features a rare reference with a rattrapante (split-seconds) chronograph and a robust automatic movement. The watch has a 42mm diameter and a beautiful 3D Carbon Dial.

Condition: Good condition with light scratches on the case, bezel and bracelet.
Case Size: 42mm
Dial Material: Carbon

Posted at

Oct 23, 2025, 8:01 PM

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