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

Omega - Speedmaster Reduced

A used Omega Speedmaster Reduced purchased from Japan with original box and papers.

Condition: Great working shape
Original Box And Papers: Yes, with Japanese documentation
Extra Links: Fitting up to 7.5-8 inches

Posted at

Jan 16, 2026, 9:13 PM

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OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000

The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case with a skeletonized and laser-ablated dial. The watch is powered by the Calibre 1869 movement and comes in an ultimate set with various accessories.

Condition: UNWORN
Case material: black ceramic
Diameter: 44.25mm
Movement: Calibre 1869 with blackened bridges and mainplate

Posted at

Jan 16, 2026, 8:45 PM

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Omega Reverse Panda Speedmaster Full Set $11,900 including CONUS shipping 310.30.42.50.01.004

Omega - Speedmaster 310.30.42.50.01.004 · $11,900

For sale is the new Speedmaster reverse panda, comes with full links and all accessories.

Condition: Unworn, essentially new condition
Case Size: 42mm diameter
Shipping Included: continental US

Posted at

Jan 16, 2026, 8:06 PM

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Omega Speedmaster Professional Moonwatch Sapphire Sandwich – Full Set – Sept 2025 Warranty – Bracelet + Leather

Omega - Sapphire Sandwich · $6,700

This Omega Speedmaster Professional Moonwatch features a 42mm stainless steel case with sapphire crystal front and display caseback, powered by a manual-wind movement.

Condition: Very good condition
Case size: 42mm diameter
Crystal material: Sapphire front & display caseback
Movement type: Manual-wind Co-Axial Master Chronometer

Posted at

Jan 16, 2026, 6:31 PM

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OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$18,000🔥

OMEGA - 311.30.40.30.01.001 · $18,000

The OMEGA Speedmaster Calibre 321 Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk.

Condition: UNWORN
Movement: Calibre 321
Case material: stainless steel
Diameter: 39.7mm

Posted at

Jan 16, 2026, 6:20 PM

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Omega. Speedmaster Moonwatch. "1971 Apollo XV". $5350 Only

Omega - 311.30.42.30.01.003 · $5,350

This Omega Speedmaster Moonwatch, celebrating the Apollo 15 mission, features a black dial with blue and red accents and comes with an OEM bracelet.

Condition: Good condition (7.5/10)
Case size: 42mm
Bracelet length range: 7.5inch hand
Dial color: Black with Blue and Red Accents

Posted at

Jan 16, 2026, 1:21 PM

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2024 Omega Speedmaster "Ed White" 39.7mm 311.30.40.30.01.001 Black Dial - $16,250

Omega - 311.30.40.30.01.001 · $16,250

2024 Omega Speedmaster "Ed White" in 39.7mm case size with a black dial.

Case diameter: 39.7mm

Posted at

Jan 16, 2026, 10:23 AM

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2024 Omega Speedmaster "Ed White" 39.7mm 311.30.40.30.01.001 Black Dial - $16,250

Omega - 311.30.40.30.01.001 · $16,250

2024 Omega Speedmaster 'Ed White' in a 39.7mm case with a black dial.

Case size: 39.7mm diameter
Dial color: black

Posted at

Jan 16, 2026, 10:20 AM

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Omega Speedmaster Calibre 321 Ed White 311.30.40.30.01.001 $13,999

Omega - 311.30.40.30.01.001 · $13,999

This Omega Speedmaster Calibre 321 pays tribute to the original speedmaster worn during America's first spacewalk in 1965, with a 39.7mm stainless steel case powered by the legendary hand-wound Calibre 321.

Condition: Preowned - Excellent
Box Papers: Yes, dated July 2023
Case Size: 39.7mm diameter
Movement Type: hand-wound

Posted at

Jan 16, 2026, 9:50 AM

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