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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The 2024 White Dial Omega Speedmaster Professional features a glossy, lacquered white stepped dial with applied blackened markers and hands. It is powered by the METAS-certified Master Chronometer Calibre 3861 and viewed through a sapphire exhibition caseback.

Condition: Great condition/minor desk diving
Movement: Manual-winding Calibre 3861 (Anti-magnetic to 15,000 gauss)
Dial size: 42mm
Water resistance: unknown

Posted at

Mar 10, 2026, 9:38 PM

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The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is an iconic timepiece that combines precision with timeless design. Featuring a robust stainless steel case and a classic black dial, it's not just a watch—it's a piece of history.

Condition: Good
Case material: stainless steel
Dial color: black

Posted at

Mar 10, 2026, 5:32 PM

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Condition: pre-owned with minor wear
Size: 44.25mm diameter
Bracelet material: stainless steel

Posted at

Mar 10, 2026, 4:54 PM

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Omega - 311.32.40.30.01.001 · $4,250

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Case Size: 39.7mm
Strap Count: 6
Includes: Omega boxes,pictogram card,operating instructions booklet

Posted at

Mar 10, 2026, 1:14 PM

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Omega Speedmaster Reduced 3510.50 Mint Full Set $3250

Omega - 3510.50 · $3,250

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Condition: Mint
Case size: 39mm diameter
Movement: Automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)
Bracelet type: Omega 1469

Posted at

Mar 10, 2026, 9:03 AM

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Omega Speedmaster 3520.53 - $2,690

Omega - 3520.53 · $2,690

Up for sale is my great condition Omega Speedmaster 3520.53, which measures 39mm and has an automatic movement.

Condition: great condition with minor usage marks and patina
Case size: 39mm diameter
Movement type: automatic
Bracelet type: original Omega Steel speedmaster bracelet

Posted at

Mar 9, 2026, 10:04 PM

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Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 - Full Set - 2025 - Excellent Condition

Omega - 310.30.42.50.04.001 · $8,150

2025 Omega Speedmaster Professional Moonwatch with a white dial, excellent condition, and minimal superficial wear.

Condition: Excellent pre-owned
Case material: Stainless steel
Case diameter: 42mm
Movement type: Manual-winding

Posted at

Mar 9, 2026, 7:51 PM

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Omega Speedmaster Professional Moonwatch

Omega - Speedmaster Professional Moonwatch · $5,900

A brand new Omega Speedmaster Professional Moonwatch with the caliber 1816, purchased at a local AD and barely worn.

Condition: Great condition
Caliber: 1816
Purchase Year: 2021-2022

Posted at

Mar 9, 2026, 7:08 PM

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Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

Omega - 324.30.38.50.02.001 · $3,500

This Omega Speedmaster 38 Co-Axial Chronograph features a silver dial and comes with various accessories, including the original bracelet and inner box.

Condition: Excellent overall condition, very minimal wear
Case material: Stainless steel
Bracelet type: Original Omega stainless steel bracelet
Additional straps: Brown leather strap

Posted at

Mar 9, 2026, 4:41 PM

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