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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Omega Speedmaster Professional Sapphire Sandwich $6680 2025
This Omega Speedmaster Professional is a unique variant known as the Sapphire Sandwich.
- Price: $6680
![[WTS] Omega Speedmaster Professional Sapphire Sandwich 2025 $6680](https://preview.redd.it/h3jeubmo85eg1.jpg?width=640&crop=smart&auto=webp&s=214cdf5cbf4bd45e76b9af29e933654dcd9bec1a)
Omega Speedmaster Professional Sapphire Sandwich 2025 $6680
a rare Omega Speedmaster Professional with a sapphire sandwich case and a 2025 model number.
- Year of production: 2025
![[WTS] Omega Speedmaster 39mm olympic 3516.20](https://preview.redd.it/121go4jp50eg1.jpg?width=640&crop=smart&auto=webp&s=3478e9cca169cbbe1fbdb6145cfbe9086c47be43)
Omega Speedmaster 39mm olympic 3516.20
This is a beautiful Omega Speedmaster limited Olympic edition, with minimal signs of wear and coming with an Omega red travel case.
- Condition: very good condition with minimal sign of wear
- Case size: 39mm
- Movement accuracy: -+4/day
- Included accessories: omega red travel case
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Omega Speedmaster 3861 Bracelet
This Omega Speedmaster is a brand new model with additional features such as tool free microadjust and it has not been worn.
- Condition: New, never worn
- Links included: true
- Clasp condition: plastic still on
- Adjustment method: tool free microadjust
![[WTS] Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel](https://preview.redd.it/eibhfok1wxdg1.jpg?width=640&crop=smart&auto=webp&s=c3e3244a70aa011b8b4f8ec3dd689f0665c6ea9a)
Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel
This Omega Speedmaster Professional Sapphire Sandwich is powered by the highly regarded caliber 1863 and features a Spiralwinder Ceramic DON tachymètre bezel. The watch has been upgraded with a new OEM 3861 bracelet installed at the Omega Boutique.
- Condition: Excellent
- Movement: Cal. 1863
- Crystal: Sapphire front & back
- Bezel: Spiralwinder Ceramic DON (Dot Over Ninety) tachymètre bezel
![[WTS] OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition](https://preview.redd.it/wdbhc2mdpxdg1.jpg?width=640&crop=smart&auto=webp&s=a1e550ea35c47efb184141a12e9b1fc8abf02739)
OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition
The OMEGA Speedmaster 'Dark Side of the Moon' is a modern icon that blends OMEGA's space-faring heritage with advanced materials, crafted entirely in black ceramic for exceptional scratch resistance and lightweight wearability.
- Condition: Excellent
- Case size: 44.25 mm
- Set: Full set (box, papers, 5 year warranty)
- Movement: Co-Axial Master Chronometer Calibre 9908
![[WTS] Omega Speedmaster. 39mm. Special Dial.](https://preview.redd.it/g5hh4ppwfxdg1.jpeg?auto=webp&s=9f6bb06d948b1936c42120340f03afffccf51e0a)
Omega Speedmaster. 39mm. Special Dial.
A 39mm Omega Speedmaster with a special texture dial is being sold. The watch is located in NJ USA and comes with the option for a Facetime viewing.
- Case diameter: 39mm
- Movement type: automatic
![[WTS] Omega Speedmaster. 39mm. White Ceramic. Very nice.](https://preview.redd.it/vg3z74icfxdg1.jpeg?auto=webp&s=b33324fb81fa5f56e0c48212c2f053ff89c7dfce)
Omega Speedmaster. 39mm. White Ceramic. Very nice.
This Omega Speedmaster is a 39mm watch with white ceramic and strong lume. It's a great timepiece that comes with additional photos available upon request.
- Case size: 39mm
- Material: white ceramic
- Lume strength: strong
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Omega Speedmaster FOIS – Full Set – $4,300 Shipped OBO
The Omega Speedmaster FOIS is a widely regarded, wearable watch that captures classic early Speedmaster proportions with its 39.7mm straight-lug case.
- Condition: Very good overall
- Case size: 39.7mm diameter
- Movement type: Manual winding
- Crystal material: Hesalite