Omega Speedmaster Speedmaster Professional Missions Gemini IX

Reference 3597.07.00

About this watch

The Omega Speedmaster Professional Missions Gemini IX is a stunning watch that combines heritage, functionality, and style. This limited edition piece, produced between 1997 and 1998 with only 200 units made, pays homage to the Gemini IX space mission. Its classic black dial, complemented by stick and dot indexes, gives it a refined yet sporty appearance. The round stainless steel case has a diameter of 42mm, making it a perfect fit for most wrists. At the heart of this timepiece lies the Omega caliber 1861, a hand-wound movement known for its reliability and precision. With a power reserve of 48 hours and 18 jewels, you can rely on it to keep perfect time even when not worn for a day or two. The chronograph feature allows you to time events with precision, making it ideal for timing races or tracking daily activities. Constructed from high-quality stainless steel, the Gemini IX is built to withstand daily wear and tear. With a water resistance rating of 50 meters, it can handle splashes and brief immersions in water. This watch's versatility makes it suitable for both formal and casual occasions, thanks to its black dial and stainless steel finish. As part of the 'Moonwatch' line, this timepiece is a piece of space history, making it a collector's dream with its limited availability and historical significance.
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Key Features

  • Omega caliber 1861 movement
  • 42mm round stainless steel case
  • Plexi glass
  • 50m water resistance
  • Chronograph feature
  • Limited edition of 200 units
  • Hand-wound movement with 48-hour power reserve

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Missions Gemini IX
Reference
3597.07.00
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 3861 Sapphire Sandwich - Mint - 2023 (under Omega warranty until 2028) - Spiralwinder DON Lumed Ceramic Black Bezel installed ($250) - OEM Bezel Included - Full Kit

Omega Speedmaster 3861 Sapphire Sandwich - Mint - 2023 (under Omega warranty until 2028) - Spiralwinder DON Lumed Ceramic Black Bezel installed ($250) - OEM Bezel Included - Full Kit

Omega - 3861 · $6,900
This is the latest Omega Speedmaster Sapphire Sandwich model, featuring a quick adjust clasp, Sapphire sandwich, and 3861 movement. The watch also boasts a Spiralwinder Ceramic Black Bezel.

  • Condition: Mint
  • Movement: 3861
  • Bezel Type: Ceramic
Posted at
Feb 12, 2026, 8:57 AM
Active
[WTS] Omega Speedmaster First Omega in Space (FOIS) w/ Box & Papers

Omega Speedmaster First Omega in Space (FOIS) w/ Box & Papers

Up for sale is my Omega Speedmaster First Omega in Space (FOIS) ref.310.30.40.50.06.001. I am the original owner, purchased new from my local Omega Boutique.

  • Condition: Very good condition, some light signs of wear
  • Box And Papers: Yes, including original box, warranty, pictogram, and chronometer cards
  • Shipping: Within Continental United States or internationally at additional cost
Posted at
Feb 11, 2026, 7:00 PM
Active
[WTS] Omega Speedmaster 3513.50 Date

Omega Speedmaster 3513.50 Date

Omega - 3513.50 · $2,000
This Omega Speedmaster Day-Date has been kept in great condition and still functions perfectly with its chronograph feature.

  • Condition: Pre-owned, lightly worn
  • Case material: Stainless steel
  • Movement: Omega Cal. 1152 (Automatic)
  • Power reserve: 44 hours
Posted at
Feb 11, 2026, 6:10 PM
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[WTS] Omega Speedmaster BSOTM | Aventurine Dial | 304.93.44.52.03.002 | Full Set

Omega Speedmaster BSOTM | Aventurine Dial | 304.93.44.52.03.002 | Full Set

Omega - 304.93.44.52.03.002 · $11,250
2022 Omega Speedmaster Blue Side of the Moon features an aventurine dial that shines in light, with a subtle yet captivating appearance.

  • Condition: Excellent
  • Diameter: 40mm
  • Depth rating: 30m
Posted at
Feb 11, 2026, 5:47 PM
Active
[WTS] Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

The Omega Speedmaster Racing features a silver white dial with bold chronograph hands and counters, housed in a stainless steel case and bracelet.

  • Condition: Excellent
  • Case size: 40mm diameter
  • Movement: chronograph movement
Posted at
Feb 11, 2026, 2:45 PM
Active
[WTS] Omega Speedmaster Reduced Automatic With Peppered Dial Ref. 3510.50.00

Omega Speedmaster Reduced Automatic With Peppered Dial Ref. 3510.50.00

Omega - 3510.50.00 · $2,700
This Omega Speedmaster Reduced features a unique peppered dial that evokes the night sky and gives it a vintage vibe.

  • Condition: Used with minor wear on the bracelet
  • Diameter: 39.7mm
  • Water Resistance: not guaranteed due to age
Posted at
Feb 11, 2026, 2:05 PM
Active
[WTS] 2022 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Black Dial - $6,050

2022 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Black Dial - $6,050

A 2022 Omega Speedmaster Moonwatch Chronograph in stainless steel with a black dial, featuring a Hesalite crystal and a 5-year manufacturer warranty.

Posted at
Feb 11, 2026, 1:49 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega - 145.022-69 · $5,235
This Omega Speedmaster Professional Moonwatch reference 145.022-69 is a strong example of this highly regarded reference. The watch features a black tritium step dial with warm yellow patina and matching tritium hands.

  • Condition: All-original, unpolished condition with excellent overall definition and moderate stretch in the bracelet
  • Case size: 42mm
  • Year: 1969
  • Movement service date: February 2026
Posted at
Feb 11, 2026, 12:50 PM
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[WTS] 2019 Omega Speedmaster Reduced 3510.50.00

2019 Omega Speedmaster Reduced 3510.50.00

2019 Omega Speedmaster Reduced with outer box, inner box, warranty card, and manual. The watch is in very good condition and retail ready.

  • Condition: Very Good
  • Year: 2019
  • Box Status: Retail Ready
  • Case Size: 39mm
Posted at
Feb 10, 2026, 10:30 PM
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