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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Condition: like new
Case material: stainless steel
Bracelet type: stainless steel with full links

Posted at

Jan 26, 2026, 6:53 PM

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Omega - 3513.53

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Jan 26, 2026, 5:34 PM

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Omega Speedmaster Racing Cart - 39mm

Omega - 3510.80 · $4,050

This Omega Speedmaster Racing Cart Edition features a 39mm case and comes with the full set, including original box, card, authentication papers, and extra links.

Condition: Mint
Case size: 39mm
Movement serviced: true

Posted at

Jan 26, 2026, 4:26 PM

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2024 Omega Speedmaster Professional Moonwatch Sapphire Sandwich Complete Set

Omega - Speedmaster Professional Moonwatch · $109,000

Set: Complete Set

Posted at

Jan 26, 2026, 3:45 PM

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Omega Speedmaster 38 Chronograph 324.30.38.50.02.001 $3999

Omega - 324.30.38.50.02.001 · $3,999

This Omega Speedmaster 38mm is a chronograph watch in excellent condition, with original stickers still present and includes the box, papers, and an open warranty card.

Condition: Like new mint condition
Case size: 38mm
Features: Chronograph

Posted at

Jan 26, 2026, 1:11 PM

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Omega Speedmaster Moonphase 304.33.44.52.03 Blue Dial 44.25mm Full Set

Omega - 304.33.44.52.03.001 · $7,494

The Omega Speedmaster Moonphase features a blue dial and moonphase complication at 6 o'clock, powered by Omega's Co-Axial Master Chronometer automatic movement.

Condition: very good
Case diameter: 44.25mm
Movement type: Co-Axial Master Chronometer automatic
Complications: chronograph with moonphase

Posted at

Jan 26, 2026, 10:15 AM

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