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

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Omega - 310.32.42.50.02.001 · $14,850

A Omega Speedmaster Silver Snoopy Award celebrating NASA's Silver Snoopy Award presented to Omega following the Apollo 13 mission, featuring an animated Snoopy caseback and silver dial with blue accents.

Condition: New / Unworn
Case size: 42mm
Movement type: Omega Co-Axial Master Chronometer Caliber 3861

Posted at

Mar 17, 2026, 6:53 PM

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Omega Speedmaster 3570.50- $3900

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For sale is an Omega Speedmaster 3570.50, a well-maintained timepiece with original accessories.

Condition: Good condition
Bracelet: Original

Posted at

Mar 17, 2026, 12:18 PM

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Omega Speedmaster Reduced 3510.50 Mint Full Set $3250

Omega - 3510.50 · $3,250

This Omega Speedmaster Reduced from 1998 features a stainless steel case, 39mm in diameter, and a matte black dial with Luminova. The watch has an automatic Omega caliber 3220 movement, which is an ETA 2890-2 with a Dubois-Depraz chronograph module.

Condition: Mint
Case material: Stainless steel
Case size: 39mm diameter
Movement type: Automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)

Posted at

Mar 17, 2026, 9:57 AM

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Omega - 324.30.38.50.02.001 · $3,500

A silver dial Omega Speedmaster 38 Co-Axial Chronograph in excellent condition. The watch features a chronograph function and is presented on a brown leather strap.

Condition: Excellent
Case condition: Minimal wear
Bracelet condition: Brand-new, unworn
Included accessories: Omega inner box, Omega outer box, Instruction manual, Pictograms card, Watchfinder certificate of authenticity, Original Omega stainless steel bracelet, Brown leather strap, Omega Cream Watch Pouch

Posted at

Mar 17, 2026, 8:49 AM

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Omega Speedmaster 3520.53 - $2,690

Omega - 3520.53 · $2,690

Up for sale is my Omega Speedmaster 3520.53, measuring 39mm with an automatic movement and steel case on an original Omega Steel speedmaster bracelet.

Condition: 8.8/10 - great shape with some usage marks and patina on subdials
Movement type: automatic
Case material: steel
Bracelet: original Omega Steel speedmaster bracelet

Posted at

Mar 16, 2026, 10:16 PM

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2020 Omega Speedmaster Racing 44.25mm 329.32.44.51.01.001 - Full set

Omega - 329.32.44.51.01.001 · $6,198

This Omega Speedmaster Racing features a 44.25mm case and a matt black dial with orange accents, powered by the Co-Axial Master Chronometer 9900.

Condition: great pre-owned condition
Case size: 44.25mm
Strap condition: leather strap has small amount of wear

Posted at

Mar 16, 2026, 5:58 PM

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2025’ Omega Speedmaster FOIS Complete Set

Omega - 310.30.40.50.06.001 · $7,000

A tribute to the first Omega watch worn in space, this updated Speedmaster FOIS captures the same style in modern form.

Condition: pre-owned with minor signs of wear
Case size: 40mm diameter
Box and papers: complete set, including inner & outer boxes, picto, chrono, warranty card, and booklet

Posted at

Mar 16, 2026, 5:24 PM

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Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,250

This Omega Speedmaster Moonwatch presents beautifully in full steel, showcasing a strong and sharp case with thick lugs that retain their original shape.

Condition: Serviced, lightly polished case
Caliber movement serviced: November 2022
Bracelet size: up to 7.5 inch / 19cm wrist diameter
Case back type: flat case back

Posted at

Mar 16, 2026, 5:18 PM

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Omega Speedmaster FOIS (bracelet and strap, full set) ($7,250)

Omega - FOIS · $7,250

Bracelet and strap: full set

Posted at

Mar 16, 2026, 3:23 PM

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