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
- 50
Current Listings
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10/24 Omega Speedmaster White Dial Complete Set *$7,400 + label*
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
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Omega Speedmaster chocolate Ref 311.30.42.30.13.001
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
Omega Speedmaster Professional Apollo 11 L.E. 30th Anniversary
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
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Omega Speedmaster Schumacher
Selling a Omega Speedmaster Schumacher, comes as watch only.
- Shipping: FedEx next day shipping included

Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( new / 2025 )
A brand new Omega Speedmaster Racing Master Co-Axial in White Dial, featuring a 44.25mm stainless steel case and master co-axial chronometer.
- Condition: Brand new / complete set
- Case size: 44.25mm diameter
- Movement: Master Co-Axial 9900

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and a white dial with sapphire crystal.
- Condition: Excellent
- Case size: 42mm
- Movement: Omega Master Chronometer Movement

Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 (excellent / 2024)
Up for sale is an Omega Speedmaster Racing Master Co-Axial in White Dial, reference # 329.30.44.51.04.001. It comes with all boxes, papers, booklets, and Omega Warranty Card dated November 2024.
- Condition: Excellent
- Case Size: 44.25mm
- Material: Stainless Steel
- Movement: Master Co-Axial 9900 Chronometer

Omega Speedmaster '57 - 40.5mm Co-Axial - 332.10.41.51.01.001 ( excellent )
This Omega Speedmaster '57 Novelties 2022 is a stainless steel watch with a 40.5mm case and 9906 Master Co-Axial Movement. It comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated September 2022.
- Condition: Excellent Condition
- Case size: 40.5mm
- Movement type: 9906 Master Co-Axial
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Omega Speedmaster Speedy Tuesday - MINT UNWORN $14,500
Up for sale is THE Speedy Tuesday ST1, an UNWORN and MINT example of this hard-to-find watch.
- Condition: Mint Unworn
- Case material: Metal
- Features: Includes box, warranty cards, accessories