Omega Speedmaster Speedmaster Professional Missions Gemini XII

Reference 3597.10.00

Omega Speedmaster Professional Missions Gemini XII

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
50

Current Listings

[WTS] Omega Speedmaster Broad Arrow - Ref. 3594.50 - Excellent Condition

Omega Speedmaster Broad Arrow - Ref. 3594.50 - Excellent Condition

Omega - 3594.50 · $3,599
Up for grabs today is an Omega Speedmaster '57 Broad Arrow that is in excellent condition.

  • Condition: Excellent
  • Bracelet size: 7.5 inch wrist diameter
  • Bracelet type: 1998/840 updated bracelet
Posted at
Jun 14, 2025, 4:36 PM
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[WTS] Omega Speedmaster Broad Arrow *RARE* Silver Dial | Inner and Out Box, International Warranty Card, Pictogram, Hang Tag, Manual | $3700 + Label | Watch is in great condition and functional

Omega Speedmaster Broad Arrow *RARE* Silver Dial | Inner and Out Box, International Warranty Card, Pictogram, Hang Tag, Manual | $3700 + Label | Watch is in great condition and functional

Omega - Broad Arrow · $3,700
The Omega Speedmaster Broad Arrow features a silver dial, comes with inner and out box, international warranty card, pictogram, hang tag, and manual.

  • Condition: great condition and functional
  • Box: inner and outer boxes
  • Papers: international warranty card, hang tag, and manual
Posted at
Jun 14, 2025, 4:09 PM
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[WTS] Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,095

Omega Speedmaster Dark Side of the Moon Vintage Black Full Set 311.92.44.51.01.006 - $8,095

Omega - 311.92.44.51.01.006 · $8,095
Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Vintage, with features such as a new brown strap and a thorough timegrapher test.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2022
  • Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Extra Brown Strap
Posted at
Jun 14, 2025, 1:26 PM
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[WTS] Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001 - $8,295

Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001 - $8,295

Omega - 311.92.44.30.01.001 · $8,295
Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8, in excellent condition with no signs of wear. It has been thoroughly tested on a timegrapher and is running well without needing service.

  • Condition: Excellent condition with no signs of wear
  • Year: 2019
  • Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Omega Watch Cloth
Posted at
Jun 14, 2025, 1:08 PM
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[WTS] Omega Speedmaster FOIS: First Omega in Space 311.32.40.30.01.001

Omega Speedmaster FOIS: First Omega in Space 311.32.40.30.01.001

Omega - 311.32.40.30.01.001 · $4,450
The Omega Speedmaster FOIS, also known as the 'First Omega in Space', was inspired by the watch worn by astronaut Wally Shirra during the 'Sigma 7' mission. It features manually powered 1861 movement and has been modified with traditional Moonwatch hands and a patina modification.

  • Condition: Wear throughout but no damage worth noting except some marks under lugs where strap changes occur
  • Case Dimensions: 39.7mm diameter
  • Lug Width: 19mm
  • Height: 47mm
Posted at
Jun 14, 2025, 11:41 AM
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Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002

Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002

Omega - 332.10.41.51.01.002 · $9,299.009
Pre-owned Omega Speedmaster Pilot with automatic movement, stainless steel case and bracelet, black dial, and 100m water resistance. Originally purchased in April 2025.

  • Condition: 96% condition, slight marks on the sides and back of the case, faint marks on links and clasp, minor wear on OEM strap
  • Case size: 41mm diameter
  • Material: Stainless Steel
  • Dial color: Black
Posted at
Jun 13, 2025, 9:43 PM
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[WTS] 10/24 Omega Speedmaster White Dial Complete Set *$7,400 + label*

10/24 Omega Speedmaster White Dial Complete Set *$7,400 + label*

Omega - 310.30.42.50.04.001 · $7,400
The Omega Speedmaster White Dial is a complete set, including micro-adjust clasp, with no issues and minimal desk rash on the clasp.

  • Condition: Pre-owned with minimal desk rash on clasp, runs and functions perfectly
  • Year Of Manufacture: 2024
  • Clasp Type: micro-adjust
Posted at
Jun 13, 2025, 9:18 PM
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[WTS] Omega Speedmaster chocolate Ref 311.30.42.30.13.001

Omega Speedmaster chocolate Ref 311.30.42.30.13.001

Omega - 311.30.42.30.13.001 · $5,200
Unique Speedmaster chocolate dial ref 311.30.42.30.13.001, this model was only made in limited numbers and currently discontinued.

  • Bracelet length: 6.3 inch
  • New bracelet included: true
Posted at
Jun 13, 2025, 8:48 PM
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Omega Speedmaster Professional Apollo 11 L.E. 30th Anniversary

Omega Speedmaster Professional Apollo 11 L.E. 30th Anniversary

Omega - 3560.50.00 · $4,299.004
The Omega Speedmaster Professional Moonwatch 30th anniversary Apollo XI is a limited edition of 9,999 pieces, introduced in 1999 to commemorate the 30th anniversary of the Apollo 11 mission. It features a special caseback engraving with an Apollo 11 patch and is similar to the regular 3570.50.00 in all details.

  • Condition: Excellent pre-owned condition
  • Lug width: 20mm
  • Lug-to-lug: 48.2mm
  • Case size: 42 mm
Posted at
Jun 13, 2025, 8:07 PM
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