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 Reduced. 3510.50.

Omega - 3510.50 · $2,350

This Omega Speedmaster Reduced is being sold in good condition and has an aftermarket strap. The watch comes with shipping from NJ USA.

Condition: Clean, runs well
Strap: Aftermarket strap

Posted at

Apr 15, 2026, 6:59 PM

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Omega Speedmaster Moonwatch Titanium Co-Axial 311.93.44.51.03.001 - 9.9/10 - $6,250

Omega - 311.93.44.51.03.001 · $6,250

A sharp example of the Omega Speedmaster Moonwatch Co-Axial Titanium, featuring a 44.25mm titanium case and blue ceramic tachymetric bezel.

Condition: 9.9/10
Case size: 44.25mm diameter
Power reserve: 60 hours

Posted at

Apr 15, 2026, 1:22 PM

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Omega Speedmaster Day Date 3523.80

Omega - 3523.80 · $2,450

For sale is an Omega Speedmaster Day Date with a beautiful blue dial, in excellent condition and running super solid.

Condition: excellent
Payment methods accepted: crypto, other (with small fee)
Location: southwest FL
Open to trades for: Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

Apr 15, 2026, 10:55 AM

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Omega Speedmaster Broad Arrow 3594.50

Omega - 3594.50 · $3,350

A pre-owned Omega Speedmaster Broad Arrow in excellent condition with very little wear.

Condition: Excellent condition with very little wear
Payment Methods Accepted: Multiple payment methods including crypto
Available To Trade For: Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

Apr 15, 2026, 10:40 AM

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Omega Speedmaster Reduced 3510.50 2 AVAILABLE

Omega - 3510.50 · $2,550

Two Omega Speedmaster Reduced in great condition for sale, both running solid and coming as watch only.

Condition: Great condition, some light wear
Bracelet condition: Pretty good
Crystals condition: 0 or very minimal scratches

Posted at

Apr 15, 2026, 10:14 AM

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Omega Speedmaster 3210.50 Black Dial $2,090

Omega - 3210.50 · $2,090

The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty classic look and an automatic movement.

Condition: pre-owned, good condition with scuffs due to age
Case size: 40mm diameter
Lug-to-lug length: 45mm
Lug width: 19mm

Posted at

Apr 15, 2026, 9:42 AM

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INCREDIBLE Vintage 18K Gold Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Holy Grail Example!!!

Omega - BA145.022-69 · $48,500

This is a vintage Omega Speedmaster Tribute to Astronauts ref BA145.022-69, one of the first solid gold Speedmasters produced in 1969.

Condition: Excellent, unpolished with patina
Case size: 42mm diameter
Bracelet length: 7.5 inches
Movement: Lemania-based hand wound caliber 861

Posted at

Apr 14, 2026, 9:59 PM

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Omega Speedmaster '57 - current gen - warranty till Apr 2027

Omega - 332.10.41.51.01.001 · $6,099

A current generation Omega Speedmaster '57 with a April 29, 2022 date, featuring a scratch on the crystal near 12 o'clock.

Condition: Very good, hairlines and desk diving marks
Bracelet size: 17cm
Box included: yes
Warranty expiration date: Apr 2027

Posted at

Apr 14, 2026, 9:41 PM

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Omega Speedmaster Triple Calendar w/ EBay authentication

Omega - Speedmaster Triple Calendar · $2,300

This Omega Speedmaster features an automatic chronograph, day, month, and year calendar with a clean and uncluttered dial. The watch is 42 mm in size but wears smaller on the wrist.

Condition: Good condition, some signs of use
Size: 42mm diameter, 40-41mm on the wrist
Authentication: eBay authenticated

Posted at

Apr 14, 2026, 9:02 PM

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